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GeoGebra

Unit 3 Lesson 4 Practice

Author:Katie Akesson

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

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Select all lines that could be the image of line m by a dilation.

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  • A
  • B
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  • E
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Dilate line f with a scale factor of 2. The image is line g. Which labeled point could be the center of this dilation?

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  • D
  • E
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Quadrilateral A'B'C'E' is the image of quadrilateral ABCE after a dilation centered at F. What is the scale factor of this dilation?

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A polygon has a perimeter of 18 units. It is dilated with a scale factor of 3/2. What is the perimeter of its image?

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  • A
  • B
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  • D
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Solve the equation. 

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