Geometric Mean in Similar Triangles

Find the missing length indicated. Leave your answer in simplest radical form.

• 60

• 100

• 80

• 20

Tags

CCSS.HSG.CO.C.9

In the accompanying diagram of right triangle ABC, CD is drawn perpendicular to hypotenuse AB. If AB=16 and DB=4 find the length of BC.

• 0

• 8

• 32

• 64

Tags

CCSS.HSG.CO.C.9

• 100
• 110
• 120
• 130

Tags

CCSS.8.G.B.7

How far is it across the lake?

• 4

• 6

• 9

• 12

Tags

CCSS.8.G.B.8

Based on the diagram below, find the length of TR.

Tags

CCSS.HSG.SRT.A.2

Find the length of DF.

Tags

CCSS.HSG.SRT.A.2

Find the value of x.

• 12

• 16

• 9

• 6

Tags

CCSS.HSG.CO.C.9

Find the value of X.

• 4

• 6

• 12

• 7

Tags

CCSS.HSG.SRT.A.2

Find the value of x:

• 58.3

• 1.7

• 21

• 18

Tags

CCSS.HSG.SRT.A.2

Solve for x

• x = 5√2

• x = 5√3

• x = 5√6

• x = 5

Tags

CCSS.8.G.B.7