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2 years ago

How do I find the length and the width?

Mathematics

2 answers:

stiv31 [10]2 years ago

8 0

Online calculator to calculate the dimensions (length and width) of a rectangle given the area A and perimeter P of the rectangle. Then these equations are solved for L and W which are the length and width of the rectangle. Enter the perimeter P and area A as positive real numbers and press "enter".

Gnesinka [82]2 years ago

4 0

A = L * W
A = 91
L = W + 6

91 = W(W + 6)
91 = W^2 + 6W
W^2 + 6W - 91 = 0
(W - 7)(W + 13) = 0

W - 7 = 0
W = 7

W + 13 = 0
W = -13.......extraneous solution...this one does not work

so the width is 7 inches <====
L = W + 6
L = 7 + 6
L = 13...and the length is 13 inches <====

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