Identify Similar Figures

If ΔGFE~ΔCBE, find the value of x. 

• x=9

• x=18

• x=36

• x=1.2

The scale factor from figure A to figure B is 4.  How many times larger is the area of B than the area of A?

• 4

• 16

• 8

• 2

Are these figures similar?

• yes

• no

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

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

• 3.75

• 9.75

• 10

• 12

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

• 3 in

• 2 in.

• 4 in

• 1 in

Which side length corresponds with EF?

• MN

• LM

• OL

• EH

All corresponding sides are proportional (same ratio) in similar figures.

• True

• False

4 ft

6.25 ft

1.25 ft

5.75 ft

• 4 ft

• 6.25 ft

• 1.25 ft

• 5.75 ft