# SOLUTION: if each side of a square lot is increased of 4 feet, its area increased by 216 square feet. find the side of the original square lot.

Algebra ->  Algebra  -> Rectangles -> SOLUTION: if each side of a square lot is increased of 4 feet, its area increased by 216 square feet. find the side of the original square lot.       Log On

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 Click here to see ALL problems on Rectangles Question 476870: if each side of a square lot is increased of 4 feet, its area increased by 216 square feet. find the side of the original square lot. Answer by ankor@dixie-net.com(15646)   (Show Source): You can put this solution on YOUR website!if each side of a square lot is increased of 4 feet, its area increased by 216 square feet. find the side of the original square lot. : New area - old area = 216 sq/ft (x+4)^2 - x^2 = 216 FOIL x^2 + 8x + 16 - x^2 = 216 Combine like terms 8x = 216 - 16 8x = 216 x = x = 25 ft is the side of the original square : : Check this 29^2 - 25^2 = 841 - 625 = 216, confirms our solution