document.write( "Question 187723: Find the demensions of a rectangle a with the greatest area whose perimeter is 30 feet. \n" ); document.write( "
Algebra.Com's Answer #140781 by checkley77(12844)\"\" \"About 
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30/4=7.5 for each side of a square.
\n" ); document.write( "7.5*7.5=56.25 maximum area for the square.
\n" ); document.write( "Proof for all other dimentions:
\n" ); document.write( "7.4*7.6=56.24
\n" ); document.write( "7*8=56
\n" ); document.write( "10*5=50\r
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