<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Skip Navigation
Our Terms of Use (click here to view) and Privacy Policy (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use and Privacy Policy.

7.8: Chapter 7 Review

Difficulty Level: At Grade Created by: CK-12

Keywords and Theorems

Rations & Proportions

  • Ratio
  • Proportion
  • Means
  • Extremes
  • Cross-Multiplication Theorem
  • Corollary
  • Corollary 7-1
  • Corollary 7-2
  • Corollary 7-3
  • Corollary 7-4
  • Corollary 7-5

Similar Polygons

  • Similar Polygons
  • Scale Factor
  • Theorem 7-2

Similarity by AA

  • AA Similarity Postulate
  • Indirect Measurement

Similarity by SSS and SAS

  • SSS Similarity Theorem
  • SAS Similarity Theorem

Proportionality Relationships

  • Triangle Proportionality Theorem
  • Triangle Proportionality Theorem Converse
  • Theorem 7-7
  • Theorem 7-8


  • Dilation


  • Self-Similar
  • Fractal

Review Questions

  1. Solve the following proportions.
    1. x+33=102
    2. 85=2x1x+3
  2. The extended ratio of the angle in a triangle are 5:6:7. What is the measure of each angle?
  3. Rewrite 15 quarts in terms of gallons.

Determine if the following pairs of polygons are similar. If it is two triangles, write why they are similar.

  1. Draw a dilation of A(7,2),B(4,9), and C(1,4) with k=32.

Algebra Connection Find the value of the missing variable(s).

Texas Instruments Resources

In the CK-12 Texas Instruments Geometry FlexBook, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9692.

Image Attributions

Show Hide Details
Files can only be attached to the latest version of section
Help us create better content by rating and reviewing this modality.
Loading reviews...
Please wait...
Please wait...
Image Detail
Sizes: Medium | Original