Transformations and Similarities

If you ___________ a figure, you "flip" it over a line.

• translate

• reflect

• rotate

• bake

Similar figures have the same ______ but different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

A scale factor of 2/5 will produce _______________.

• an enlargement

• a reduction

How can you locate the center of dilation?

• The original figure grows or shrinks from that point.

• The original figure flips over that point.

• The center of dilation is always the origin.

• The center of dilation is always point A.

A ray can always be drawn from the center of dilation through the vertices of similar figures.

• True

• False

A ~ B. What is the scale factor from A to B?

• 3/4

• 2/3

• 3/2

• 4/3

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, AA Similarity Theorem

• Yes, SAS Similarity Theorem

• Yes, SSS Similarity Theorem

• Not Similar

Match the following the corresponding sides of the similar figures.

• NK

• XY

• KL

• WX

• MN

• YZ

• LM

• ZW

Are the triangles similar?

• Yes

• No

Which method can be used to prove the triangles are similar?

• AA~

• SSS~

• SAS~

• Not Similar