Similar triangles activity The similarity of triangles, like their congruency, is an important concept of geometry. The two angles formed The congruent sides are called legs. B. Triangle ABC and DEF are similar. If the corresponding angles in two triangles are congruent, then the triangles are similar. To find the missing measurements in a pair of similar triangles, set up a proportion between corresponding sides and cross-multiply. Find the missing length marked ‘?’ State if the triangles in each pair are similar. Goals Generalize a process for identifying similar triangles and justify (orally) that finding two pairs of congruent angles is suficient to show similarity. These Similarity Worksheets will produce eight problems for working with similar triangles. After this, I plan to do several in class examples where students answer questions on paper/orally if A similar triangles worksheet is a helpful tool for practicing and understanding the principles of similar triangles. It can be extended in the next lesson to the formalities of scale factors, the one-point dilation method, and setting up and solving proportions based on the ratios in two similar triangles. Unit 4 ActivityGeometryCourse Activity: AA, SAS, and SSS Criteria for Similar Triangles | Unit 4 Geometry Mar 22, 2019 · Recommended Use This lesson is best used as an introduction to similar figures, before students have formally learned about them or scale factors. Card sorts and sketches trying to lead students to come up with similarity conditions for triangles. Explore triangle similarity through AA~, SSS~, and SAS~ conditions with engaging activities and questions from Big Ideas Math Math 2. You may select whether to include non-similar triangle pairs, as well as the type of similarity in each pair. Understand the different theorems to prove similar triangles using formulas and derivations. The answer to each problem is passed on to the next problem, so accuracy is essential! There are four relays included Justify your answer (with a similarity statement). Here’s a common similar triangles application problem that shows up in most middle and high school textbooks. Students use similar triangles to measure the height of objects such as flagpoles, tops of trees, telephone poles, or buildings. Similar Triangles Cut and Paste - High School Geometry Activity ⭐️⭐️⭐️ Help your students master triangle similarity with this interactive Similar Triangle Proofs Cut and Paste Activity! Designed for high school geometry students, this hands-on resource focuses on identifying pairs of similar triangles using the AA (Angle-Angle), SAS (Side-Angle-Side), and SSS (Side-Side-Side State if the triangles in each pair are similar. Hints are given for the challenges at the end. To determine if two triangles are similar, you need to check if their corresponding angles are congruent (equal) and their corresponding side lengths are proportional. 7. Similar Triangles and Proportional Parts Math LibMath lib activities are a class favorite! In this activity, students will generate pieces to a story as they move throughout ten stations. Have students discuss how points on a non-vertical or non-horizontal line form the hypotenuse of a right triangle with legs parallel to the x-axis and y-axis. Follow up with an This document describes two activities to verify geometric theorems. 5 Examples, solutions, videos, and lessons to help High School students learn how to use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures. students can manipulate the lengths of the sides of triangles to make dilations to investigate similar families of right triangles. Aug 24, 2025 · We've curated 7 Fun Similar Triangles Activities specifically designed to foster Student Engagement and cultivate a profound, lasting understanding of these vital geometric principles. If the corresponding sides of two triangles are congruent, then the two triangles have identical shapes. Some cards will require knowledge of parallel lines, vertical angles, alternate interior angles, and corresponding angles, and the triangle Similar Triangle Proofs Peel & Stick Activity This product contains 8 proofs for students to practice completing similar triangle proofs using AA Similarity, SSS Similarity, and SAS Similarity. Their corresponding angles are equal, and their sides are proportional. Once they have matched them into pairs of similar triangles, they must then use the fact they are similar to work out the missing sides and angles. The statements are given on the proofs; students must determine the correct reason that corresponds to each statement. Are the triangles below similar or not. This means that their corresponding angles are equal, and their corresponding sides have the same lengths, as shown below. Lesson 5 – Intelligent Practice Worksheet BCPS Pre-Algebra Unit 3d, Math 8 Unit 2b This activity can be used as an introduction to using similar triangles to find the slope of a line. Congruent Triangles Two triangles are congruent if they have exactly the same size and shape. If so, state how you know they are similar and complete the similarity statement. For help, watch these short videos about using GeoGebra to draw points, lines This is a digital version of my Similar Triangles Cut and Paste Activity designed in Google Slides. Related Topics: Common Core (Geometry) Common Core for Mathematics Common Core: HSG-SRT. The triangles below are similar. What relationship can you write for the angles of these two triangles? Task Cards (with or without QR codes) Objective: To determine whether triangles are similar by Side-Side-Side Similarity (SSS~), Side-Angle-Side Similarity (SAS~), Angle-Angle Similarity (AA~), based on the markings and measurements shown on the triangles. These slope of similar triangles digital activities are one-click This Similar Triangles Sorting Activity will help students practice proving whether two triangles are congruent by Side-Side-Side Similarity (SSS~), Side-Angle-Side Similarity (SAS~), and Angle-Angle Similarity (AA~). com lesson plan. In the activity, they use similar right triangles to explore why the Using Similar Figures to find the missing measure of side lengths. Similar Triangles Opener Quiz by Kilgore 1 Me8a Math Similar Triangles Quiz by Bilingualmegyeri Similar Triangles - missing sides Quiz by U47876111 This similar triangles activity gets kids thinking about how to prove triangles are similar or how they are NOT similar. It is so helpful for teachers to see a sample unit plan! In this action packed activity, students will practice identifying the slope of a line by using similar triangles. Students will learn the language of similarity, learn triangle similarity theorems, and view examples. The activity is great for math stations or for sub plans!A printable answer key is included, Development of the Sine, Cosine, and Tangent ratios by looking at similar triangles. Simply give each student the diagrams sheet and the template. Triangles are similar if there is a similarity transformation (any combination of translations, rotations, reflections, and dilations) that maps one triangle to the other. We believe learning should be an adventure, not a chore, and these activities are crafted to make that a reality. These triangles are all similar: Similar Triangle Proofs Peel & Stick Activity This product contains 8 proofs for students to practice completing similar triangle proofs using AA Similarity, SSS Similarity, and SAS Similarity. 6; Target C4: The student uses similar triangles to determine that the slope "m" is the same between any two distinct points on a non-vertical line in the coordinate plane. d. Learn all about similar triangles in this free geometry lesson! Similar Triangles Activity Author: Hannah Creutzfeldt Topic: Similar Triangles, Triangles Similar Triangles (SSS, SAS, and AA Similarity) Cut and Paste Using diagram markings and given information, students will practice determining whether triangles are similar by Side-Side-Side Similarity (SSS~), Side-Angle-Side Similarity (SAS~), or Angle-Angle (AA~) Similarity. . All proofs use Angle Long description: In this video, learn how similar triangles can be used to help explain the concept of slope. Students will answer a variety of problems to find the slope of a line that is positive or negative. This activity will help students to understand the practical applications of similar triangles and the importance of knowing how to identify them. This is a fun activity that gets students working together and excited to practice triangle similarity! Students won't mind practicing similar triangles with this group activity. Students will solving problems related to similar triangles, proportional parts within triangles, and proportional parts in parallel lines, as they rotate through 10 stations with this "Math Lib" Activity. We hope that students will discover the properties themselves by experiential learning. They cut out the 16 diagrams, sort them by which Explore triangle similarity proofs through engaging activities and lessons designed to enhance understanding of geometric concepts. In this activity, students will solve similarity problems. Then I gave each set of triangle diagrams. Lesson 3 – Similar Triangles Matching Activity Lesson 3 – Similarity PPT Lesson 4 Learning Objective: to understand and use scale factor. We will determine the unknown side lengths by using ratios within the first triangle. This is an investigation to help students with similar right triangles. Students will cut and mark 12 pairs of triangles, sort them into the correct column by Jose Ascarrunz This is activity is designed for practice, after students have learned about the ratios of the sides of special right triangles. Reasons included: addition property of equality, subtraction property of equality This product contains 8 proofs for students to practice completing similar triangle proofs using AA Similarity, SSS Similarity, and SAS Similarity. In Lesson 8. As an Practice identifying similar triangles and explaining your reasoning with this interactive activity. In a typical lesson on similar triangles students are told why triangles are similar. Do your students need more practice with solving in similar triangles? Switch a typical worksheet for this no-prep, self-checking circuit activity or an around the room scavenger hunt -- your choice! Students will solve for missing pieces in similar triangles, including side splitter and geometric m Do your students need more practice with solving in similar triangles? Switch a typical worksheet for this no-prep, self-checking circuit activity or an around the room scavenger hunt -- your choice! Students will solve for missing pieces in similar triangles, including side splitter and geometric m This similar triangles activity will have your students master similarity proofs with Angle Angle in this interactive, Google Slides resource! In this activity, students will work with 4 similarity proofs to rearrange the statements and reasons so they are in the correct order. 0 license. They will practice solving problems related to similar triangles, proportional parts within triangles, and propo This is an activity that uses both Desmos and Web Sketchpad. Task 1 AA Criterion for Similar Triangles You will use the GeoGebra geometry tool to investigate whether two pairs of corresponding angles in two triangles are enough to prove that the two triangles are similar. Describe in words what the theorems tells us, then use it to answer the questions that follow. Printable PDF, Google Slides & Easel by TPT Versions are included in this distance learning ready activity which consists of a self-checking activity where students will have to solve for missing sides 27 math art projects for elementary school students. Are you looking for a fun activity that covers Math TEK 8. For help, watch these short videos about using GeoGebra to draw points, lines, and angles and use the measurement tools. Give each student the worksheet to record their work as they travel to the stations. com/teaching-resource The teacher will recap the activities that were conducted during the lesson, reminding students of the "Shape Shifter" activity that demonstrated the constant ratio of corresponding sides in similar triangles, the "Enlargement Machine" activity that highlighted the similarity between shadows and triangles, and the "Geometry Detectives" activity by Sean Kelleher Project Objectives The objective of the activity is for students to understand and apply the concept of similarity of triangles in practice, developing the following technical skills: Recognize the necessary and sufficient conditions for two triangles to be similar. Below is the information from the dilation & side splitter theorems. In the first part of the activity students investigate the nature of triangle congruency by using an external websketch to manipulate triangles. Activity Directions: Print and post the ten stations around the room. Reasons included: addition property of equality, subtraction property of equality If two triangles have the same shape but different sizes, they are called similar triangles. P S U T R Use the slider to make different triangles similar to the triangle in the fourth quadrant. Licensed under the Creative Commons Attribution 4. For example, ¤PQR ~ ¤STU. EE. This worksheet typically includes several problems where students are given information about two triangles and are asked to determine if they are similar and to find missing side lengths or angles. Activity 1 demonstrates the basic proportionality theorem by drawing parallel lines through triangles and measuring side lengths. Your students will use these activity sheets to identify similar triangles by applying the correct proofs, as well as calculate segment lengths. Using diagram markings and other given information, students will practice determining whether triangles are similar by Side-Side-Side Similarity (SSS ~), Side-Angle-Side Similarity (SAS ~), or Angle-Angle (AA ~) Similarity. With Brighterly’s math worksheets, your kid can consolidate their skills in this area. Similar Triangles - Riddle ActivityThis activity requires students to solve 9 problems involving finding a missing length in similar triangles and finding the scale factor between a set of similar triangles. In this activity there are 14 triangles and students must match them into pairs that are similar. I put my students in groups of three and gave each group a sheet of giant paper. These worksheets typically feature a variety of problems and exercises designed to enhance students’ understanding and application of these geometric principles. The angle formed by the congruent sides is called the vertex angle. Students should already be familiar with the applicable proofs and formulas. 6. Students may already know that two points make a line. Try our similar triangle worksheets to find the scale factor, to write similarity statements, solve problems based on SSS, SAS, AA postulates and more. Justify your answer (with a similarity statement). It relates back to our work with dilations in the previous unit. e. This activity to be used to stimulate prior knowledge, before discussing what is the least amount of parts that needs to be true for figures to be similar. They will move around the classroom to complete the task cards. Since all sides of an equilateral triangle are congruent, then at least two of its sides are congruent. tes. When you are teaching triangle similarity these ideas for foldables, activities, lessons, and worksheets are great for your geometry students. Explore this multitude of printable similar triangles worksheets for grade 8 and high school students; featuring exercises on identifying similar triangles, determining the scale factors of similar triangles, calculating side lengths of triangles, writing the similarity statements; finding similarity based on SSS, SAS and AA theorems, solving algebraic expressions to find the side length and Jan 28, 2023 · The goal of the students in this activity would be to cut the different triangles and see which one completely overlaps with another. Activity: Have students discuss the relationships between similar triangles and what is necessary for triangles to be similar. Some parts of isosceles triangles have special names. Answer the following questions: a. It is shown that corresponding sides of triangles divided in the same ratio. 4A which is flexible enough to be a hit with your students whether you are in the classroom or teaching remotely? If that sounds like something you'd be interested in, you are going to fall in love with our super-flexible digital & printable combination task card sets. Part A Examine and analyze similar triangles with this Study. CCSSM 8. Here This fantastic Similar Triangles Worksheet is designed for students to practice identifying similar triangles, using the conditions of similarity, and calculating missing lengths in pairs of similar triangles. Activity 2 verifies Pythagoras' theorem by constructing squares on the sides of a right triangle and showing the area of Identifying Similar Triangles Mathematical goals This lesson unit is intended to help you assess how students reason about geometry and, in particular, how well they are able to: Transform your students' Similar Triangles practice in your high school geometry classroom with this self-checking digital activity! This activity includes 10 problems for students to practice finding the value of x by applying similar triangles to write and solve proportional relationships. This property of similarity is one of the most important concepts in geometry, with a wide range of applications in the real world. In this project you will find the height of a flagpole, or other designated object by using two similar triangles. In addition to the Dec 7, 2024 · Task 2 SAS Criterion for Similar Triangles The SAS, or side-angle-side, criterion states that two triangles are similar if two pairs of corresponding sides are in the same ratio and their included angles are congruent. PhET sims are based on extensive education <a {{0}}>research</a> and engage students through an intuitive, game-like environment where students learn through exploration and discovery. In this section, we will learn how to identify corresponding sides of a similar triangle and find missing measurements in a pair of similar Two triangles are Similar if the only difference is size (and possibly the need to turn or flip one around). Using diagram markings and given information, students will practice determining whether triangles are similar by Side-Side-Side Similarity (SSS~), Side-Angle-Side Similarity (SAS~), or Angle-Angle (AA~) Similarity. Jul 17, 2025 · Similar triangles worksheets combine several exercises united to train the vital skill of spotting the resemblances in triangles. In this activity, students identify the similarity criteria of similar triangles, and cut and paste them into a graphic organizer. In the activity, you will see how a right triangle can be divided into two similar right triangles. Use the GeoGebra activity to complete each step below. Have students use these principles to formulate an explanation for why the slope is the same between any two Write a conjecture about the properties of similar triangles by using the observations you recorded during this activity. Most images taken from https://www. In the realm of triangles, there is a important concept called 'Similarity'. You keep a copy of the answer key so just print and go! Great to use as a review activity, sub acti Examples, solutions, videos, worksheets, stories, and lessons to help Grade 8 students learn about solving problems using similar triangles. Explore triangle similarity proofs through engaging activities and lessons designed to enhance understanding of geometric concepts. Calculate angle and side measurements in two similar triangles. This is meant as a "warm-up" and Intro to looking at similar families of Pythagorean triples. Among these, Similar Triangles stands out as a cornerstone concept, absolutely crucial for both Middle School Students and High School Students. Development of the Sine, Cosine, and Tangent ratios by looking at similar triangles. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. A mirror is placed on the ground between two objects, showing two triangles with a bunch of measurements given and we’re supposed to find the height of one of the objects. Click on the below images to test yourself on the properties of similar triangles. Similar, Congruent, Congruence and Similarity games to help you understand congruent shapes and similar shapes Aug 24, 2025 · Beyond the Textbook: Igniting Geometry Understanding with Dynamic Activities The world of Geometry offers endless opportunities for discovery, yet some of its fundamental concepts can initially seem daunting. What do you notice about segment BC and segment B'C'? Use the length tool to find the length of segments AB, BB', AC, CC'. Similar triangles are triangles that have the same shape but not necessarily the same size. Additional products available in Mrs. Nov 1, 2025 · Triangles are similar if they have corresponding angles that are equal and corresponding sides that are proportional. Justify (orally) that two triangles are similar by finding a sequence of transformations that takes one triangle to the other or checking that two pairs of corresponding angles are congruent. 7th grade Math students will have fun working through this Finding Unknown Measures in Similar Triangles worksheet. Jul 12, 2020 · These activities and ideas are perfect for your similar triangles unit. Similar Triangles Snap! A Matching Activity. What relationship can you write for the angles of these two triangles? Similar Triangle Proofs Peel & Stick Activity This product contains 8 proofs for students to practice completing similar triangle proofs using AA Similarity, SSS Similarity, and SAS Similarity. Students will practice solving in similar triangles in this digital activity! This Google Sheets activity is a great way for students to practice various solving for missing sides in similar triangles when given different types of diagrams include side splitter theorem and mean proportionals!Details by Hadi Brown “Similar Triangles” from IM Grade 8 by Open Up Resources and Illustrative Mathematics. This activity is very similar to the Congruent Triangle Cut and Match Activity that I used earlier this year. For example, they might consider how architects use similar triangles to create scale models of buildings or how engineers use similar triangles to design bridges. If the corresponding angles in two quadrilaterals are congruent, then the quadrilaterals are similar. Are you looking for an engaging similar triangles activity that is low-prep and easy to assign? Students love the puzzle aspect of an escape room! This is a fun way to review triangle similarity theorems. Each pair of students needs a tape measure, a marker, and a flat pocket mirror. Two triangles are considered similar if they have the same ratio of corresponding sides and equal pairs of corresponding angles. Lesson 4 – Scale Factors PPT Lesson 5 Learning Objective: to be able to use similarity to work out missing lengths and solve associated problems. You keep a copy of the answer key so just print and go! Great to use as a review activity, sub activity, or in a math center. Do you notice any relationships between these lengths, if so describe them. Students must have prior knowledge of SSS, SAS, and AA as well as vertical angles and parallel lines and transversals. They will then be given certain properties about the triangles that will further help them prove which triangles are congruent with one another. If so, state how you know they are similar. Indirect measurement is an activity that takes students out of their classroom and school building. With the help of significant figure worksheets, students can measure their ability to identify significant numbers in a digit. Each activity requires students to create an aesthetically-pleasing product that focuses on a fundamental mathematical topic. Answers can be entered in any form. to apply appropriate rules to identify and find the number of significant digits in whole numbers and decimals. Hint cards are an option for those students who need a little extra support Sep 22, 2022 · Looking for hands-on trigonometry activities? Here's a collection of 28 fun and engaging trig activities that I have created over the past decade while teaching trigonometry and pre-calculus to high school math students. These triangles are all similar: Oct 20, 2022 · Course Activity Slope and Similar Triangles This activity will help you meet these educational goals: Mathematical Practices—You will make sense of problems and solve them, reason abstractly and quantitatively, construct viable arguments and analyze the reasoning of others, attend to precision, look for and make use of structure, and look for If two triangles have the same shape but different sizes, they are called similar triangles. A typical approach to showing how this problem is modelled with similar triangles is to walk students through Can't find it? Just make your own! Wordwall makes it quick and easy to create your perfect teaching resource. Get your students thinking with these Fun Sum Cards activity! Students work on sets of cards covering similar triangle theorems, triangle proportionality theorem, triangle proportionality extension, angle bisector theorem and much more! The greatest thing is this is a self-checking assignment! Stude Hundreds of free PDF worksheets for high school geometry topics, including geometric constructions, triangle congruence, circle, area, the Pythagorean Theorem, solid geometry, and similarity. There are notes, activities, quizzes, and tests listed. In the accompanying classroom activity, students apply the concept of similar triangles to explore the slope between different points on the coordinate plane. D's Classroom Diagonals of Prisms Students will practice solving problems related to similar triangles, parallel lines and proportional parts, and proportional parts within triangles with this set of relay puzzles. Recall that the corresponding side lengths of similar triangles are in proportion. Similar triangles are the triangles that have corresponding sides in proportion to each other and corresponding angles equal to each other. the horizontal length of the side? Are students able to identify that similar triangles have the same slope? Are students able to derive the equation from a line through the origin and intercepting the vertical axis at b? 1) Describe the picture. Feedback is given for all answers. ] Why are triangles ABC and DEC similar? [Angle-Angle (AA) Similarity Postulate – if two angles of one trian-gle are congruent to two angles of another, then the triangles must be similar. This can be done as a demonstration or a student activity. This extensive collection of worksheets on triangles for grades 3 through high-school is incredibly useful in imparting a clear understanding of a variety of topics like classifying triangles, similar triangles, congruence of triangles, median and centroid of a triangle, inequality theorem, Pythagorean inequalities, area, perimeter and angles in a triangle and much more. Then, they can get State if the triangles in each pair are similar. So, all equilateral triangles are also isosceles triangles. Similar Triangles & Proportional Parts “Math Lib” Activity! Objective: To practice solving problems related to similar triangles and proportional parts. Mastering similar triangles unlocks Maths Activity / Project / TLM to learn the concept of similarity and criteria for SIMILAR TRIANGLES NCERT Chapter: Similar Triangles Activity#mathsprojectle Explore math with our beautiful, free online graphing calculator. 4, you learned that two triangles are similar if two of their corresponding angles are congruent. It will keep them engaged & practicing their knowledge of similar triangles. Students will be asked to recreate a pattern on the board and we hope that from that they discover the relationship between sides, angles and similar triangles. Given two similar triangles and some of their side lengths, find a missing side length. You’ll use GeoGebra to demonstrate this. Similar Triangles Worksheets Similar triangle worksheets help students determine the scalar factor, solve problems based on postulates like SAS, SSS, AA, etc. Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. The slopes of the hypotenuses of similar right triangles are equal. Open the GeoGebra activity to complete each step below. Students need a copy of the sorting mat and cards with the directions. For each of the triangles below we define the base as the horizontal length of the triangle and the height as the vertical length. Jan 8, 2016 · A blog about free resources for the secondary math classroom. ] – Because these two triangles are similar, the ratios of corresponding side lengths are This is my entire unit plan for Right Triangles in high school geometry. Once purchased, you will receive a document with directions on how to 30 o 30 o B A Q P Name: Similar Triangles Activity Similar Triangles 3. This activity leads into the development of the Trigonometric Table and introduces its use in solving for unknown angles in right triangles. The following right triangles are similar. Students can use the Pythagorean theorem as a back up plan to answer any question as well. Calculate the ratio of the length of the Opposite side to the length of the Adjacent side This Geometry Worksheet will produce eight problems for working with similar triangles. Transform your students' Similar Triangles practice in your high school geometry classroom with this self-checking digital activity! This activity includes 10 problems for students to practice finding the value of x by applying similar triangles to write and solve proportional relationships. May 1, 2024 · For example, they might consider how architects use similar triangles to create scale models of buildings or how engineers use similar triangles to design bridges. Problems include: finding missing lengths of similar triangles This is a digital version of my Similar Triangles Cut and Paste Activity designed in Google Slides. Once they discover all of the congruency rules then there are some practice problems which they can do to see if they understand them. Find the missing length marked ‘y’ 8. Are students able to draw congruent and similar triangles to using the vertical length of the side vs. Here About These 15 Worksheets Congruent and similar shapes worksheets are an essential part of introductory geometry curriculum that help students grasp the concepts of congruence and similarity. Advance preparation and materials are needed for this lesson. Activity has teacher dashboard correctness checkmarks for several slides. How to solve problems that involve similar triangles? HSMR Unit 2 Lesson 7 (replaces part of original lesson) In this activity we are going to explore the ratios between side lengths of similar right angled triangles. You will need: — a mirror, with its center marked some way — a long measuring tape (50-100 feet) — pencil and calculator Students will have fun practicing similar triangles in this digital activity collection! They will practice solving in similar triangles, understanding the properties of similar triangles, and completing similar triangle proofs!This Bundle Includes:1) Two Truths and a Lie: Similar Triangles - Studen Course Activity: AA, SAS, and SSS Criteria for Similar Triangles 6 of 9 Sav AA Criterion for Similar Triangles, Part 2 As you saw in the previous activity, knowing that one pair of corresponding angle measures in two triangles is equal is not enough to prove that they a similar. I have giant sheets of paper (presentation pad paper) that I like to do these types of activities with. Pick a template Enter your content Get a pack of printable and interactive activities Explore triangle similarity through interactive activities and visualizations in this Amplify Classroom activity. Why are angles DCE and ACB congruent? [They are vertical angles. Escape rooms give instant feedback because students must enter exact lock codes to progress from room to room. This similar triangles activity gets kids thinking about how to prove triangles are similar or how they are NOT similar. Geometry Math Games and Worksheets: A compilation of games that teach or reinforce some math concepts and skills. tuckoi any ntfhqh qaknr dacx eeuqldl tpcsc osaik uiam wsurstw izamum adqrbkg xkcko lzzxsua eyl