document.write( "Question 276441: A 20-ft ladder is leaning against a building. If the bottom of the ladder is 12 ft from the base of the building, how high does the ladder reach? \n" ); document.write( "
Algebra.Com's Answer #201453 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A 20-ft ladder is leaning against a building. If the bottom of the ladder is 12 ft from the base of the building, how high does the ladder reach?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Ladder length = 20 ft.\r \n" ); document.write( "\n" ); document.write( "distance from base = 12 feet.\r \n" ); document.write( "\n" ); document.write( "Using the pythagoras theorem\r \n" ); document.write( "\n" ); document.write( "20^-12^2= height^2\r \n" ); document.write( "\n" ); document.write( "400-144=256\r \n" ); document.write( "\n" ); document.write( "= 16^2\r \n" ); document.write( "\n" ); document.write( "So height = 16 feet. \n" ); document.write( " |