document.write( "Question 1086961: A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is 4 ft more than its distance from the wall. \n" ); document.write( "

Algebra.Com's Answer #701216 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( " = .   (Pythagorean theorem)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve for x, the distance from the wall.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " = ,\r\n" );
document.write( "\r\n" );
document.write( "128 = 8x  ====>  x =  = 16.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Thus the distance from the wall = 16 ft.  Hence, the length of the ladder is 16 + 4 = 20 ft.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );