SOLUTION: A 15 foot ladder leans up against a building, The foot of the ladder is 5 feet from the base of the building. How high up the wall, to the nearest foot does the ladder reach?

Algebra ->  Pythagorean-theorem -> SOLUTION: A 15 foot ladder leans up against a building, The foot of the ladder is 5 feet from the base of the building. How high up the wall, to the nearest foot does the ladder reach?      Log On


   

Question 890698: A 15 foot ladder leans up against a building, The foot of the ladder is 5 feet from the base of the building. How high up the wall, to the nearest foot does the ladder reach?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
a%5E2+b%5E2=c%5E2
15%5E2+5%5E2=c%5E2
225+25=c%5E2
250=c%5E2
Take the square root of each side
15.81 = c
Rounded to nearest foot
C = 16