document.write( "Question 446104: A ladder is resting against a wall. The top of the ladder touches the wall at a height of 9ft. Find the length of the ladder if the length is 3ft more than its distance from the wall. \n" ); document.write( "
Algebra.Com's Answer #307183 by mananth(16946)![]() ![]() You can put this solution on YOUR website! wall ladder distance =x \n" ); document.write( "length of ladder = x+3 \n" ); document.write( "height touching the wall = 9\r \n" ); document.write( "\n" ); document.write( "(x+3)^2=x^2+9^2 \n" ); document.write( "x^2+6x+9=x^2+81 \n" ); document.write( "6x=81-9 \n" ); document.write( "6x=72 \n" ); document.write( "/6 \n" ); document.write( "x=12 feet \n" ); document.write( "ladder ===>x+3= 12+3=15 feet \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |