A boy is standing at the top of the tower and another boy is at the ground at some distance from the foot of the tower, then the angle of elevation and depression between the boys when both look at a each other will be-

Answer: Option A

Solution

Answer: Option A

Solution:

$$\begin{array}{rl}& \text{Here, AD is parallel to BC and AC is a transversal}\text{.}\\ & \Rightarrow {\theta }_1={\theta }_2\end{array}$$