Dilations

Michelle Greene

 

Problem:

Begin by exploring dilations and how they work. What properties can you discover? What happens with different scale factors?

 

Discussion:

What is a dilation?

Properties of Dilations

 

Interactive Models of Dilations:

Please feel free to click on the links below to see how these models move. Move the center point to see what happens with the triangles. Change the shape of the original triangle by moving around its vertices to see what happens to the dilated triangles.

Dilations about a marked center point

Spider-Web

Spider-Web including negative ratios

 

 

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