Question 691903: a 22-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. how high up the house the ladder reach? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a 22-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. how high up the house the ladder reach?
-----------------
The ladder is the hypotentuse of a right triangle.