Question

A 12-foot ladder rests against the side of a house. The base of the ladder is 3 feet away from the side of the house. How high above the ground is the top of the ladder? Round to the nearest tenth of a foot.




A.

9.1 feet


B.

11.6 feet


C.

12.4 feet


D.

153.0 feet

Answer 1

Just use Pythagoras.

Answer 2

aka 12^2 - 3^2 = x^2

Answer 3

Solve for x to get your answer

Answer 4

11.6.. thatnk you so much!

Answer 5

np