Finding the Missing Leg of Right Triangle

Find the length of the missing side. (a)  

• 48

• 108

• 83.6

• 72

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8.9.b

Find the length of the missing side.  (a)  

• 20 in.

• 68 in.

• 16 in.

• 80 in.

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8.9.b

What is the length of the missing side? (a)  

• x = 4

• x = 8

• x = 10

• x = 16

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8.9.b

Which equation can be used to solve for "x"?

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

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8.9.b

What is the length of the missing leg? Round to the nearest tenth.

• 2.0 in

• 11.4 in

• 5.7 in

• 5.6 in

Find the missing leg (b). Be sure to provide the whole number estimate if needed.

• 64

• 2

• 32

• 8

A 14-foot ladder is set up 4 feet from the base of a building.  How far up the building does the ladder reach? Round your answer to the nearest tenth of a foot.

• 13.4 feet

• 14.6 feet

• 16.5 feet

• 18.0 feet

_{^{What is the length of the missing leg?}}

• 36

• 76.8

• 12

• 40

A 27 foot piece of wire is connected from the top of a 24 foot telephone pole to a stake in the ground. How far is the stake from the base of the telephone pole? Round to the nearest tenth.

Mathematical Equivalence

ON

Find the missing leg (a). Be sure to give the whole number estimate, if needed.

• 8

• 12

• 144

• 11