Similar Right Triangles Altitude to Hypotenuse Find X Y Z

How far is it across the lake?

• 4

• 6

• 9

• 12

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

In the accompanying diagram, triangle ABC is a right triangle and CD is the altitude to hypotenuse AB. If AD=4 and DB=16 find the length of CD.

• 0

• 64

• 8

• 32

Find the length HK of of right triangle GHK.

• 300

• 0

• 150

• 17.3

What is geometric mean of 4 and 9?

• 5
• 6
• 7
• 8

Find the value of x.

• 12

• 4√2

• √32

• 16

Find the value of x.

• 2√7

• 7√2

• √28

• 28

Find the geometric mean for 5 and 8

• 4
• 10
• 2√10
• 4√10

Find the geometric mean for 2 and 25.

• 5
• 2√5
• 2
• 5√2

• 100
• 110
• 120
• 130