Arturo O. answered • 07/06/16
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L = 2W
P = 90 = 2(L+W)
90 = 2(L+W)=2(2W+W) = 6W
W = 90/6 = 15 cm
L = 2W = 2(15) = 30 cm
Dezirya P.
asked • 07/06/16what are the length and width
the length of a rectangle is twice its width the perimeter of the rectangle is 90 cm
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