document.write( "Question 274152: a 25ft ladder is placed 8ft from wall, how high is can the ladder reach? \n" ); document.write( "
Algebra.Com's Answer #200163 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Make a right triangle with the 25 ft ladder being the hypotenuse, and 8 feet being the bottom leg. \n" ); document.write( "We know that \n" ); document.write( "a^2 + b^2 = c^2 \n" ); document.write( "Now we solve for b... \n" ); document.write( "b^2 = c^2 - a^2 \n" ); document.write( "b^2 = 25^2 - 8^2 \n" ); document.write( "b^2 = 625 - 64 \n" ); document.write( "b^2 = 561 \n" ); document.write( "Taking the square root of both sides... \n" ); document.write( "b is about 23.7 feet \n" ); document.write( " |