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17 May, 21:22

I am a rectangle, and my area is 80 square inches. My width is 2 inches shorter than my length. What is my perimeter?

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Answers (2)
  1. 17 May, 23:22
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    8 of width, 10 of length, now 2 (8) + 2 (10) = 36 Inches
  2. 18 May, 00:28
    0
    Area=l*b=l * (l-2) = 80 (given)

    so, l^2 - 2l = 80

    l^2 - 2l - 80=0

    l=10 or - 8

    l=10, b=10-2=8

    perimeter=2 (l+b) = 2 (18) = 36
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