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A 20ft ladder leans against a house. The bottom of the ladder is 8 feet from the base of the house. To the nearest foot, how high above the ground is the top of the ladder?

A 20ft ladder leans against a house. The bottom of the ladder is 8 feet from the base of the house. To the nearest foot, how high above the ground is the top of the ladder?
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2 votes
A 20ft ladder leans against a house. The bottom of the ladder is 8 feet from the base of the house. To the nearest foot, how high above the ground is the top of the ladder?

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User CarenRose
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8.2k points

1 Answer

4 votes
Actually, you need to use the Pythagorean Theorem for this problem. Set it up like

{8}^(2) * {x}^(2) = {20}^(2)
then solve for x to find the height


Should come out to be around 18 feet
answered
User Pinky
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7.3k points
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