Area and Perimeter Shepes

a rectangle has a perimeter of 32cm. one side measures 5cm. calculate the area of the rectangle.show your working.

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asked by Willow
  1. 2l + 2w = 32
    l + w = 16 , but w = 5 (or l=5, if you prefer)
    l+5 = 16
    l = 11

    area = lw = 11(5) = 55 cm^2

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    posted by Reiny
  2. P = 2L + 2W
    32 = (2 * 5) + 2W
    32 = 10 + 2W
    22 = 2W
    11 = W

    A = LW
    A = 5 * 11
    A = _______ square centimeters

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