A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house?

Question

4.2
9.5
10.4
14.1

Answer 1

a^2 + b^2 = c^2

2^2 + b^2 = 10^2

4 + b^2 = 100

b^2 = 96

b = 9.8 feet