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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.

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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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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User Moudi
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9.0k points

1 Answer

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

SEE PICTURE

the opposite is sin(65)x20= 18.1

Answer=18.1 ft
If a 20-foot ladder makes a 65° angle with the ground, how many feet up a wall will-example-1
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User Alexey Noskov
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8.4k points
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