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02-11-2017
Mathematics

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The perimeter of a rectangular rug is 30 yd and its length is 9 yd.find the area of this rug

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02-11-2017

perimeter of a rectangular rug is 30 yd

P= L+L+W+W
P= 9+9+W+W
P= 18 + 2W
18 + 2W = 30
2W = 30-18
W= 12/2 = 6

A= L x W
A= 9 x w
A= 9 x 6 = 45 yd square

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