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A rectangle has length three time its width if the perimeter of the rectangle is 56 inches what is the length of the rectangle?
Wiki User
∙ 14y ago
l=3w
Perimeter (p) = 2*(l+w) = 56
2*(3w+w)=56
2*4w=56
8w=56
w=7 inches
l=3w = 3*7 = 21 inches
Wiki User
∙ 14y ago
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