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document.write( "A rectangle has perimeter equal to 28, what is the maximum possible area of this rectangle. \n" );
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Algebra.Com's Answer #442256 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! P=2L+2W \n" ); document.write( "28=2X+2X \n" ); document.write( "28=4X \n" ); document.write( "4X=28 \n" ); document.write( "X=28/4 \n" ); document.write( "X=7 FOR THE SIDES OF A SQUARE. \n" ); document.write( "AREA=LW \n" ); document.write( "AREA=7*7 \n" ); document.write( "AREA=49 IS THE MAXIMUM AREA. \n" ); document.write( "PROOF: \n" ); document.write( "P=2L+2W \n" ); document.write( "P=2(L+W) \n" ); document.write( "28=2(L+W) \n" ); document.write( "(L+W)=28/2 \n" ); document.write( "L+W=14 \n" ); document.write( "LET THE SIDES BE L=6.9 & W= 7.1 \n" ); document.write( "AREA=6.9*7.1 \n" ); document.write( "AREA=48.99 \n" ); document.write( " \n" ); document.write( " |