08-07-2020
Mathematics

contestada

An 85-foot rope from the top of a tree house to the ground forms a $45\degree$45° angle of elevation from the ground. How high is the top of the tree house? Round your answer to the nearest tenth of a foot.

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surjithayer10 surjithayer10

08-07-2020

Answer:

Step-by-step explanation:

let x be the height .

then x/85=sin 45

x=85 sin 45=85×√2/2=42.5√2≈60.1 foot.

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