CK-12 Geometry Concepts

(Elliott) #1

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



  • Transformation

  • Rigid Transformation

  • Non-rigid Transformation

  • Dilation

  • Self-Similar

  • Fractal


Chapter Review



  1. Solve the following proportions.
    a. x+ 33 =^102
    b.^85 =^2 xx+− 31

  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


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  1. Draw a dilation ofA( 7 , 2 ),B( 4 , 9 ),andC(− 1 , 4 )withk=^32.


Algebra ConnectionFind the value of the missing variable(s).


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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

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