m9araLulucnaz m9araLulucnaz

06-09-2016
Mathematics

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the length of a rentanlge is twice its width the perimeter of the retanagle is 126 ft

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Kunchan Kunchan

10-09-2016

Length, l = 2 * width,w
l = 2w

perimeter = 2l + 2w
126 = 2*2w + 2w
126 = 4w + 2w
126 = 6w
w = 126 / 6
w = 21 ft

l = 21*2
l = 42 ft

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