Similarity Formations

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

• x = 20

• x = 12

• x = 5

• x = 4

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

• 3.75

• 9.75

• 10

• 12

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

The two parallelograms above are similar.
What is the length in inches of line segment PQ?

• 40 in.

• 34 in.

• 38 in.

• 14 in.

Find the height of the person using what you know about similar triangles.

• 4 ft

• 6.25 ft

• 1.25 ft

• 5.75 ft

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

• x = 9

• x = 28

• x = 7

• x = 63

Find the missing area. 

• 0

• 12

• 24

• 30

Solve for x. 

• 8

• 6

• 10

• 12

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

• x = 12

• x = 3

• x = 40

• x = 4

What are matching sides of similar figures?

• Corresponding Sides

• Corresponding Angles

• Scale Factor