document.write( "Question 207657: Find the length of a diagonal of a rectangle with l = 72 feet and w = 30 feet \n" ); document.write( "
Algebra.Com's Answer #157052 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! What you now have is a right triangle with sides of 72 & 30 ft. \n" ); document.write( "Looking for the hypotenuse. \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "72^2+30^2=c^2 \n" ); document.write( "5,184+900=c62 \n" ); document.write( "c^2=6,084 \n" ); document.write( "c=sqrt6,084 \n" ); document.write( "c=78 ft. ans. for the diagonal(hypotenuse). \n" ); document.write( " |