Question 470684

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Hi,
<img src="http://upload.wikimedia.org/wikipedia/commons/thumb/d/da/PerimeterRectangle.svg/200px-PerimeterRectangle.svg.png">
 76ft = 2*L + 2*W
 38ft = L + W
 38/2 = 19   19^2 = 361ft^2 A square would have that maximum area