G.3.5 Practice Problems

Author:
Katie Akesson

What is the measure of angle A'B'C?

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  • A
  • B
  • C
  • D
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Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. The lengths of the sides of DEF are shown. What is the length of AB?

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Angle ABC is taken by a dilation with center P and scale factor 1/3 to angle A'B'C'. The measure of angle ABC is 21°. What is the measure of angle A'B'C'?

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Draw 2 lines that could be the image of line m by a dilation.

Is it possible for polygon ABCDE to be dilated to figure VWXYZ? Explain your reasoning.  

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Triangle XYZ is scaled and the image is X'Y'Z'. Write 2 equations that could be used to solve for a. 

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