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olasank [31]
3 years ago
8

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,

to the nearest tenth of a foot, is the top of the ladder
Mathematics
1 answer:
Anna007 [38]3 years ago
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)

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