document.write( "Question 335980: The base of a 16ft ladder is 4ft from a wall. How high on the wall does the ladder reach? \n" ); document.write( "
Algebra.Com's Answer #240962 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! You have a right triangle. \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "4^2+b^2=256 \n" ); document.write( "16+b^2=256 \n" ); document.write( "b^2=256-16 \n" ); document.write( "b^2=240 \n" ); document.write( "b=sqrt240 \n" ); document.write( "b=15.49 ft. ans. for the height of the ladder up the wall. \n" ); document.write( " |