A ladder 20 feet long leans against the side of a house. find the height from the top of the ladder to the ground if the angle of elevation of the ladder is 80.

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asked Oct 8, 2019 233k views

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Christopher Louden · Answer 1 · 2019-10-13T16:43:18+0000

Sine you know that the angle is eighty, you could use twenty times sin80. Sin 80 represents opposite of hypotenuse, so 20 is the hypotenuse, canceling the denominator out giving the height only.

A ladder 20 feet long leans against the side of a house. find the height from the top of the ladder to the ground if the angle of elevation of the ladder is 80.

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