document.write( "Question 402384: The foot of an extension ladder is 10 feet away from the base of a wall. The ladder is 2 feet longer than the distance that it reaches up the wall. How far up the wall will the ladder reach? \n" ); document.write( "
Algebra.Com's Answer #284671 by checkley79(3341) ![]() You can put this solution on YOUR website! A^2+B^2=C^2 \n" ); document.write( "10^2+X^2=(X+2)^2 \n" ); document.write( "100+X^2=X^2+4X+4 \n" ); document.write( "100=4X+4 \n" ); document.write( "4X=100-4 \n" ); document.write( "4X=96 \n" ); document.write( "X=96/4 \n" ); document.write( "X=24 FEET IS THE HEIGHT OF THE LADER AGAINST THE WALL. \n" ); document.write( "24+2=26 FEET IS THE LENGTH OF THE LADDER. \n" ); document.write( "pROOF: \n" ); document.write( "10^2+24^2=26^2 \n" ); document.write( "100+576=676 \n" ); document.write( "676=676 \n" ); document.write( " |