If a ladder touches the roof of a wall and makes an angle of 30° with the 15 meter long wall, then the length of the ladder is-

If a ladder touches the roof of a wall and makes an angle of 30° with the 15 meter long wall, then the length of the ladder is-

A 30 m

B 7.5 m

C 15 m

D 17.3 m

Solution

Correct Answer: Option D