CK-12 Geometry - Second Edition

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 7. Similarity


7.8 Chapter 7 Review


Keywords and Theorems



  • 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

  • Scale Factor

  • Theorem 7-2

  • AA Similarity Postulate

  • Indirect Measurement

  • SSS Similarity Theorem

  • SAS Similarity Theorem

  • Triangle Proportionality Theorem

  • Triangle Proportionality Theorem Converse

  • Theorem 7-7

  • Theorem 7-8

  • Transformation

  • Rigid Transformation

  • Non-rigid Transformation

  • Dilation

  • Self-Similar

  • Fractal


Review Questions



  1. Solve the following proportions.


a. x+ 33 =^102
b.^85 =^2 xx+− 31


  1. The extended ratio of the angle in a triangle are 5:6:7. What is the measure of each angle?

  2. Rewrite 15 quarts in terms of gallons.


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

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