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document.write( "Find the perimeter of a square if the length of its diagonal is 12 inches. Round to the nearest 10th \n" );
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Algebra.Com's Answer #432142 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! a=b 2 sides of the square. \n" ); document.write( "c=the diagonal. \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "a^2+a^2=c^2 \n" ); document.write( "2a^2=12^2 \n" ); document.write( "2a^2=144 \n" ); document.write( "a^2=144/2 \n" ); document.write( "a^2=72 \n" ); document.write( "a=sqrt72 \n" ); document.write( "a=8.5 in. ans. for one side. \n" ); document.write( "4*8.5=36 in for the perimeter. \n" ); document.write( " |