The angle of elevation of a ladder leaning against a wall is 60∘ and the foot of the ladder is 15 m away from the wall. The length of the ladder is:
1
\(15\sqrt 3 \) m
2
30 m
3
7.5 m
4
15 m
The angle of elevation of a ladder leaning against a wall is 60∘ and the foot of the ladder is 15 m away from the wall. The length of the ladder is: