SOLUTION: The Length Of A Rectangle Is 3 Times The Width The Perimeter Of The Field Is 144cm Find Its Area

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Question 875496: The Length Of A Rectangle Is 3 Times The Width The Perimeter Of The Field Is 144cm Find Its Area
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,Previously Posted



P = 2L + 2w = 144cm

     L+ w = 72    L = 3w

    3w + w = 72    

       4w = 72

        w = 18cm  and L = 54cm

A = Lw = 972cm^2