Similar Triangles Review

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m
• w = 6 m
• 6 m
• w = 0.16 m

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

If ABCDE ∼ GHJDF, then∠B is congruent to _______

• ∠H
• ∠D
• ∠F
• ∠J

Which triangle is similar to the above triangle ?

• A
• B
• C
• D

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75
• 9.75
• 10
• 12

Are the triangles similar? If so, what similarity shortcut is used? Show all work.

• Similar.  SAS
• Similar.  AA
• Similar. SSS
• Not Similar

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

Are the triangles similar?

• Yes
• No

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in
• 2 in.
• 4 in
• 1 in