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September 19, 2014

September 19, 2014

Posted by **mary-beth** on Wednesday, November 29, 2006 at 2:02pm.

let x = dimensions of the square.

Rectangle then is x-4 and x+5

Set areas equal.

area of square is x

area of rectangle is (x-4)*(x+5).

(x-4)*(x+5)=x

solve for x which will be sides of the square. Square that to obtain the area.

Post your work if you get stuck.

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