Question

Roof Construction. The roof of a house is longer on one side than on the other....

Roof Construction. The roof of a house is longer on one side than on the other. If the length of one side of the roof is 25 feet and the length of the other side is 36 feet, find the distance between the ends of the roof if the angle at the top is 129∘.


Round your answer to the nearest foot.

The distance between the ends of the roof is________feet.

Science   Advanced-Physics   
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Answer #1

The law of cosines is one of the important formula in trigonometry. This has very easy derivation as well.

I hope you understand the solution properly. Thanks for asking this question.

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