A 12 ft ladder is leaning against a building. The ladder makes a 45 degree angle with the building how far up is the building do

Question

3 years ago

15

es the ladder reach

1 answer:

Ghella [55] · Answer 1 · 2022-03-26T07:54:04+03:00

Answer:

The ladder reach a height 8.485 ft.

Step-by-step explanation:

The ladder with the building made right angle triangle

The length of the ladder is the hypotenuse 12 ft.

The angle between the ladder and the building is 45°

The height of the ladder reach is the vertical side of the Δ

∴ h = 12 cos 45° = 6√2 = 8.485 ft.