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?

Corresponding Sides

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

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

Ratios of corresponding sides.

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