Question

If a 40 foot tall ladder is placed 15 feetfrom the base of a house how high up the house will the ladder reach

Answer 1

Using the Pythagorean Theorem:

x^2 + 15^2 = 40^2

x^2 + 225 = 1600

x^2 = 1600 - 225

x^2 = 1375

x = SQRT(1375)

x = 5SQRT(55)

x = 37.08 feet

Round answer as needed