# Ch 45: 6th-8th Grade Geometry: Similar Polygons

The online video lessons in the Similar Polygons chapter teach your 6th - 8th grade students to identify the angles and proportions of similar polygons. The lessons also explain the use of ratios and the geometric mean. Test your students' knowledge of the material by giving the multiple-choice quizzes at the end of the lessons.

## 6th-8th Grade Geometry: Similar Polygons - Chapter Summary

As a teacher of 6th - 8th grade students, you can use the video lessons in the Similar Polygons chapter to demonstrate the construction of similar polygons as well as the use of the triangle proportionality theorem and the Pythagorean theorem. The informative lessons teach the rules for applying the transitive property and solving proportion problems. The chapter examination can assess your students' understanding of these topics.

## Chapter Lessons and Objectives

Lesson Objective
Ratios and Proportions: Definition and Examples Students discover real life applications for ratios and proportions.
Geometric Mean: Definition and Formula This lesson teaches the formula for finding the geometric mean.
Solving Problems Involving Proportions: Definition and Examples Teachers define proportions and explain the steps for solving problems with proportions.
Similar Polygons: Definition and Examples This lesson examines the characteristics of similar polygons.
Similar Triangles and the AA Criterion Students learn to establish the AA criterion for the similarity of triangles.
The Transitive Property of Similar Triangles Instructors teach students to apply the transitive property to similar triangles.
Triangle Proportionality Theorem Students solve problems using the triangle proportionality theorem.
Constructing Similar Polygons This lesson teaches students to draw similar polygons.
Properties of Right Triangles: Theorems and Proofs Students explore the properties of right triangles as well as the Pythagorean theorem.

9 Lessons in Chapter 45: 6th-8th Grade Geometry: Similar Polygons
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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