SOLUTION: Dennis has a 15 foot ladder. He placed it 5 feet from the base of the house and then learned the ladder against the house. About how far up the house does the ladder reach? a

Algebra ->  Pythagorean-theorem -> SOLUTION: Dennis has a 15 foot ladder. He placed it 5 feet from the base of the house and then learned the ladder against the house. About how far up the house does the ladder reach? a      Log On


   



Question 963262: Dennis has a 15 foot ladder. He placed it 5 feet from the base of the house and then learned the ladder against the house. About how far up the house does the ladder reach?
a. 20 feet?
b. 18 feet?
c. 16 feet?
d. 14 feet?
help please :) thanks!!

Answer by tkess12(1) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean formula and solve for height. 5^2+x^2=15^2.