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dawnyay
dawnyay dawnyay
  • 20-08-2016
  • Mathematics
Answered

The perimeter of a parallelogram is 72 meters. The width of the parallelogram is 4 meters less than its length. Find the length and the width of the parallelogram.

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 20-08-2016

Perimeter of a parallelogram = 2(l + w). But w = l - 4
Therefore, 72 = 2(l + l - 4) = 2(2l - 4) = 4l - 8
4l = 72 + 8 = 80
l = 80/4 = 20
w = 20 - 4 = 16

Therefore, length = 20 meters and width = 16 meters

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