The perimeter of a rectangle is 56 inches it's with is 6 inches less than its length find the lenth and the width
1 answer:
P = 2(L + W)
P = 56
W = L - 6
56 = 2(L + L - 6)
56 = 2(2L - 6)
56 = 4L - 12
56 + 12 = 4L
68 = 4L
68/4 = L
17 = L <====length (L) = 17 inches
W = L - 6
W = 17 - 6
W = 11 <== width (W) = 11 inches
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