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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asked Jun 20, 2019 131k views

1 Answer

CharlesB · Answer 1 · 2019-06-25T23:39:53+0000

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

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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