SOLUTION: A 20-foot ladder is resting against the side of a house. The base of the ladder is 4 feet away from the house. Approximately how high above the ground does the ladder touch the hou

Algebra ->  Pythagorean-theorem -> SOLUTION: A 20-foot ladder is resting against the side of a house. The base of the ladder is 4 feet away from the house. Approximately how high above the ground does the ladder touch the hou      Log On


   

Question 1110418: A 20-foot ladder is resting against the side of a house. The base of the ladder is 4 feet away from the house. Approximately how high above the ground does the ladder touch the house.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Right Triangle with hypotenuse 20 and leg 4; and you want the other leg.
Pythagorean Theorem.