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OpenStudy (anonymous):
A painter leans a 20-ft ladder against a building. The base of the ladder is 12 ft from the building. To the nearest foot, how high on the building does the ladder reach? 8 feet 23 feet 32 feet 16 feet
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OpenStudy (larseighner):
The ladder is the hypotenuse of a right triangle, so \(12^2 + x^2 = 20^2 \) Solve.
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