Similar Figures and Proportions

Line CB corresponds with what line? 

• SR

• PQ

• SP

• RQ

Solve the proportion:

• c = 4

• c = 8

• c = 14

• c = 10

What is true about the sides of similar figures?

• Corresponding sides are proportional.

• Corresponding sides are congruent.

• Opposite sides are proportional.

• Opposite sides are congruent.

Which proportion would allow you to solve for the missing side, x?

• A

• B

• C

• D

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

• x = 9

• x = 28

• x = 7

• x = 63

CHALLENGE! Solve for x. (You will need to set up the proportion, and solve using the distributive property).

• x = 4

• x = 135

• x = 1/4

• x = 2

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

• x = 1

• x = 3

• x = 9

• x = 5

The polygons are similar.
Find x.

• x = 2

• x = 6

• x = 4 

• x = 8

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

For the pair of similar figures, find the length of each side marked with a variable.

• 8 in

• 1 in

• 9.8 in

• 9.3 in