document.write( "Question 500224: a diagonal of a rectangle is 60 cm long .if the length of the rectangle is 12 cm greater than the width .find the dimensions
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Algebra.Com's Answer #338064 by mananth(16946)![]() ![]() You can put this solution on YOUR website! width -------x \n" ); document.write( "length ---------x+12\r \n" ); document.write( "\n" ); document.write( "diagonal --------60\r \n" ); document.write( "\n" ); document.write( "They form a right triangle\r \n" ); document.write( "\n" ); document.write( "x^2+(x+12)^2=60^2\r \n" ); document.write( "\n" ); document.write( "x^2+x^2+24x+144=3600 \n" ); document.write( "2x^2+24x-3456=0 \n" ); document.write( "/2 \n" ); document.write( "x^2+12x-1728=0 \n" ); document.write( "x^2+48x-36x-1728=0 \n" ); document.write( "x(x+48)-36(x+48)=0 \n" ); document.write( "(x+48)(x-36)=0 \n" ); document.write( "x=36 which is positive\r \n" ); document.write( "\n" ); document.write( "36 & 48 are the sides \n" ); document.write( " |