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12 November, 00:18

A rectangle is 3 times as long as it is wide and its perimeter is 120 centimeters. find area.

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  1. 12 November, 01:21
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    The perimeter is the sum of the sides since opposite sides are = in rectangle add 2w+2l let x=width 3x = length 8x = 120 x=15 substitute 15 for x w=15 l = 45 area = l x w 15 x 45 = 675 area = 675 cm.
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