Similarity with Area and Volume

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

• x = 20
• x = 12
• x = 5
• x = 4

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

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

• 3.75
• 9.75
• 10
• 12

Find the missing perimeter.

• 15
• 20
• 25
• 30

Find the missing area. 

• 0
• 12
• 24
• 30

Find the missing area.

• 15
• 20
• 25
• 30

Find the missing side length.

• 32
• 35
• 20
• 16

Find the missing side length. 

• 16
• 12
• 35
• 15

Solve for x. 

• 8
• 6
• 10
• 12

What is the measure of x?

• 12
• 15
• 6
• 9