Altitude and Geometric Mean

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 of AB.

• 36

• 18

• 6

• 12

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CCSS.HSG.CO.C.9

Find the value of x.

• 0

• 48

• 4.9

• 24

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CCSS.HSG.CO.C.9

In right triangle ABC below, CD is the altitude to hypotenuse AB. If CD=6 and the ratio of AD to AB is 1:5, determine and state the length of BD.

• 2.68

• 7.2

• 14.4

• 3.1

What if the value of x? (Hint: h²=a*b)

• 16

• 12

• 4

• 64

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CCSS.HSG.CO.C.10

In the right triangle ABC below, CD is the altitude to the hypotenuse AB. If AC=28, and the ratio of AD to AB is 4:3, determine the value of x.

• 28

What is the measure of ∠HKG?

• 60°

• 180°

• 90°

• 360°

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CCSS.HSG.CO.C.10

Solve for the altitude, round to the nearest tenth.

• 121.5

• 15.6

• 28.5

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CCSS.HSG.CO.C.10

Solve for the altitude

• 133

• 50

• 78

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CCSS.HSG.CO.C.10

• 1

• 2

• 3

• 4

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CCSS.HSG.CO.C.9