Question

A man standing at a point P is watching the top of a tower, which makes an angle of elevation of ${30}^{\circ }$ with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes ${60}^{\circ }$. What is the distance between the base of the tower and the point P?

• A. $4\sqrt{3}units$
• B. $8units$
• C. $12units$
• D. Data inadequate

Answer 1

Answer: (D)

Data inadequate

From the data, we conclude that one of $AB,AD$ and $CD$ length are not provided.

So, the data is inadequate.