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16 September, 23:13

The Area of a rectangle is 216 square inches. if the perimeter is 60 inches find the lenght and width of the rectangle

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  1. 16 September, 23:30
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    Xy = 216

    x = 216/y

    2x + 2y = 60

    2 (216/y) + 2y = 60

    432 + 2y^2 = 60y

    2y^2 - 60y + 432 = 0

    y = 18, y = 12

    if y = 12

    x = 216/12

    x = 18

    length = 18

    width = 12
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