Similar Figures

What is true about the shape and size of similar figures?

• Same shape and same size

• Same shape and not the same size

• Different shape and same size

• Different shape and not the same size

Solve for x.

• 21

• 14

• 12

• 18

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

You do not need to label your answer for this game.

If two figures are similar their angles are______.

• proportional

• congruent

• supplementary

• complementary

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Determine if the triangles are similar. Justify.

• Yes, by SSS.

• Yes, by SAS. Scale Factor is 1:2.

• Yes, by SAS. Scale Factor is 3:1.

• No, not similar.

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO

Triangle SQR is similar to triangle SPT. Which segment corresponds to segment QR?

• SP

• ST

• PR

• PT