document.write( "Question 537035: a farmer has 500 feet of fence with which to enclose a rectangular field. a striaght river bank will be used as a part of fencing on one side of the field.prove that area of the field is greatest when the rectangle is square? \n" ); document.write( "
Algebra.Com's Answer #352707 by Alan3354(69443)\"\" \"About 
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It isn't.
\n" ); document.write( "Using 500 ft for 3 sides --> (500/3)^2 sq ft =~ 27,778 sq ft.
\n" ); document.write( "Making it 150 by 200 --> 30,000 sq ft.
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\n" ); document.write( "So it's disproven.
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