Similar Triangles Review

Determine if the triangles are similar. Justify.

• Yes, SAS.

• Yes, AA.

• Yes, SSS.

• No, not similar.

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Are the triangles similar?

• Yes

• No

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Complete each proportion.
AB / BM  =  ? / CD

• BC

• AC

• MD

• MC

Solve for f.

• 6

• 4

• 3

• 8

A photo is 12 in. wide by 18 in. tall. If the width is scaled down to 9 inches, how tall should the similar photo be? 

• 15 in

• 0.67

• 13.5 in

• 2

Find the scale factor.

• 4:1

• 1:3

• 2:1

• 7:3

When figures are similar, their corresponding sides are__________________.

• congruent

• proportional

• invisible