HELP [LEFT]A 12 foot ladder leans against the side of a building. The foot of the ladder is 5 feet from the wall of the building. Determine the height above the ground where the top of the ladder touches the wall.
Last edited by amathgizzard; Jan 22nd 2009 at 02:00 PM.
where (in a right triangle) and are the legs of the triangle and is the hypotenuse, that is, the longest side (in this case, it is the length of the ladder)