By Poonam

Verified by Ajay Kumar

A stick of length 48 cm is at an inclination of 60° to a wall with its bottom touching the floor of the wall. Find the length from the floor to the point where the stick touches the wall.

  1. 24√3 cm

  2. 12√3 cm

  3. 12√2 cm

  4. 18√3 cm

Answer: A

Solution

The highlighted answer corresponds to a 60° angle with the ground. Height = 48 × sin 60° = 48 × √3/2 = 24√3 cm. Note that the original wording says the angle is with the wall, so the wording should be verified.

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