an 18 foot leans against a wall. The base of the ladder is 9 feet from the wall on the level ground. How many feet up the wall,

Question

3 years ago

8

to the nearest tenth of a foot, is the top of the ladder

1 answer:

Anna007 [38] · Answer 1 · 2022-09-13T13:44:23+03:00

3 0

Answer:

15.6

Step-by-step explanation:

We need to use Pythagorean theorem:

hypotenuse ² =( leg 1)² + (leg 2)²

Hypotenuse is 18 ft.

leg 1 = 9 ft.

18² = 9² + (leg2)²

(leg 2)² = 243

(leg 2) = +√243 ≈ 15.6 (ft)