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length and width of a rectangle

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Please look at the attached file. Only solve problem No. 3

3. A rectangle is a parallelogram with four right angles. A rectangle has a width of 15 feet and a diagonal of a length 22 feet; how long is the rectangle? What is the perimeter of the rectangle? Round to the nearest foot. Show all work to receive full credit.

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Solution Summary

By Pythagorean Theorem, the solution shows how to calculate the length of a rectangle when the width and diagonal are given.