document.write( "Question 141755: A ladder 40 ft long leans against a building and reaches a ledge. The foot of the ladder is 16 ft from the building. How high is the ledge? \n" ); document.write( "
Algebra.Com's Answer #103306 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! let h=height\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "by Pythagoras __ h^2+16^2=40^2 __ h^2=40^2-16^2 __ h=8sqrt(21) \n" ); document.write( " |