Similarities Finding Missing Side Lengths

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

• x = 20
• x = 12
• x = 5
• x = 4

Tags

CCSS.HSG.SRT.A.2

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

• 3.75
• 9.75
• 10
• 12

Tags

CCSS.HSG.SRT.A.2

Find the missing side length.

• 32
• 35
• 20
• 16

Tags

CCSS.HSG.CO.C.11

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

• x = 9
• x = 28
• x = 7
• x = 63

Tags

CCSS.HSG.SRT.A.2

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Find the missing perimeter.

• 15
• 20
• 25
• 30

Find the missing side length. 

• 16
• 12
• 35
• 15

Tags

CCSS.HSG.SRT.B.5

Solve for x. 

• 8
• 6
• 10
• 12

Tags

CCSS.HSG.SRT.A.2

What is the measure of x?

• 12
• 15
• 6
• 9

Tags

CCSS.HSG.SRT.B.5

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

• 4 ft
• 6.25 ft
• 1.25 ft
• 5.75 ft

Tags

CCSS.HSG.SRT.B.5