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Brian has 100 feet of fencing. He will use the fencing to enclose a play area for his puppy. What is the maximum number of square feet he can enclose? Express your answer to the nearest whole number.

dgfgrafgdfge111 Dec 9, 2018

#1**+2 **

This is actually a pretty neat problem as we don't seem to be restricted to rectangles.

Do you know which planar shape has the largest area to perimeter ratio?

Think about it and when you figure it out the answer to this is pretty simple.

Rom Dec 9, 2018

#2**+2 **

For any perimeter,P, the largest area that can be enclosed is a square with a side of P/4

So....the max area is

(100/4)^2 = 25^2 = 625 ft^2

CPhill Dec 9, 2018