document.write( "Question 484586: A rectangle is 2 cm longer than it is wide. The diagonal of the rectangle is 10 cm long. Find the perimeter of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #331568 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! n2+(n+2)2=(10)2 \n" ); document.write( "n2+n2+4n+4=100 \n" ); document.write( "2n2+4n-96=0 \n" ); document.write( "n2+2n-48=0 \n" ); document.write( "(n+8)(n-6)=0 \n" ); document.write( "n=6 or -8 \n" ); document.write( "The rectangle is 6 cm. by 8 cm. \n" ); document.write( "2(6)+2(8)=P=28 cm \n" ); document.write( "The perimeter is 28 cm.. \n" ); document.write( " |