Investigating Dilation and Similarity

Topic:
Dilation

Dilations

In the applet below, triangle A1A2A3 is fixed. Move the slider, n, and observe the behavior of triangle B1B2B3. Then answer the questions that follow. Note that , , and . Similarly, , , and .

Corresponding Sides

Which side of triangle B1B2B3 corresponds to side a3 of triangle A1A2A3?

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Corresponding Sides

Which side of triangle B1B2B3 corresponds to side a2 of triangle A1A2A3?

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Which side of triangle B1B2B3 corresponds to side a1 of triangle A1A2A3?

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Ratios of corresponding sides.

Describe the ratios of the corresponding sides, (sides of ) as you move the slider, n.

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