7.8: Chapter 7 Review
Difficulty Level: At Grade
Created by: CK12
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Keywords and Theorems
Rations & Proportions
 Ratio
 Proportion
 Means
 Extremes
 CrossMultiplication Theorem
 Corollary
 Corollary 71
 Corollary 72
 Corollary 73
 Corollary 74
 Corollary 75
Similar Polygons
 Similar Polygons
 Scale Factor
 Theorem 72
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 77
 Theorem 78
Dilations
 Dilation
SelfSimilarity
 SelfSimilar
 Fractal
Review Questions
 Solve the following proportions.

x+33=102 
85=2x−1x+3

 The extended ratio of the angle in a triangle are 5:6:7. What is the measure of each angle?
 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.
 Draw a dilation of
A(7,2),B(4,9), andC(−1,4) withk=32 .
Algebra Connection Find the value of the missing variable(s).
Texas Instruments Resources
In the CK12 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.
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Date Created:
Feb 22, 2012
Last Modified:
Aug 15, 2016
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