Question

A ladder 25 m long reaches a
window of a building 20 m above the ground. Determine the distance of the foot of the ladder from the building.




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Answer 1

Step-by-step explanation:

Hope it helps u

Answer 2

Answer:

Given:-

Length of ladder :- 25 m

A ladder reaches a window of a building 20 m above the ground.

Refer to the attached figure.

AB = 20

AC = 25

We are supposed to find the distance of the foot of the ladder from the building.

Hypotenuse² = perpendicular ² + Base²

AC² = AB² + BC²

25² = 20² + BC²

√25² - 20² = BC

15 = BC

Hence:-

the distance of the foot of the ladder from the building is 15 m.