copycat3489 copycat3489

18-07-2019
Mathematics

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Can someone help me with this question?

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musiclover10045 musiclover10045

18-07-2019

The tower is 75 feet, the wire is 20 feet below the top so the wire is 55 feet above the ground.

The length of the wire is the hypotenuse of a right triangle.

Using the law of cosine:

Cos(angle) = Adjacent leg / Hypotenuse.

Cos(46) = 55 / x

X = 55/cos(46)

x = 79.2 feet

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