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The length of a rectangle is four times its width. if the area of the rectangle is 400 yd2 , find its perimeter.
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The length of a rectangle is four times its width. if the area of the rectangle is 400 yd2 , find its perimeter.
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Feb 7, 2018
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The length of a rectangle is four times its width. if the area of the rectangle is 400 yd2 , find its perimeter.
Mathematics
high-school
Leon Joosse
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Leon Joosse
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Let W = width, and L = length.
L = 4W
A = LW
400 = (4W)(W)
400 = 4w^2
4W^2 = 400
W^2 = 100
W = 10
The width is 10 yd, and the length is 40 yd.
RLave
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Feb 9, 2018
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RLave
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I don’t know for sure but the length is 40 and the width is 10.
Ganbayar Gansukh
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Feb 12, 2018
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Ganbayar Gansukh
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