A rectangle is drawn so that the width is 5 feet shorter than the length. the area of the rectangle is 36 square feet. find the length of the rectangle.

Question

Akira Moss

Mathematics

12 October, 06:01

A rectangle is drawn so that the width is 5 feet shorter than the length. the area of the rectangle is 36 square feet. find the length of the rectangle.

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Answers (1)

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Gianna Gregory · Answer 1

w x L = 36

w = L - 5

L x (L-5) = 36

L^2 - 5L - 36 = 0

Use the quadratic formula

L = - b + radical b^2 - 4 (a) (c) divided 2. a

L = 5 + 13 / 2 = 18 / 2 = 9