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28-03-2018
Mathematics

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If a 20-foot ladder makes a 65° angle with the ground, how many feet up a wall will it reach? Round your answer to the nearest tenth.

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28-03-2018

In this case, you use SOHCAHTOA. (Right angle triangles)

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the opposite is sin(65)x20= 18.1

Answer=18.1 ft

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