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

i think A but not sure

Answer 2

\(12^2-3^2=x^2\\144-9=135 \\ \sqrt{135}= 11.6\)

Answer 3

you have to use the pythagorean theorem

Answer 4

thank u

Answer 5

yw \(\ddot\smile\)