Question

The angle of depression from the top of the building A to the tortoise is ${60}^{\circ }$. The angle of elevation from the top of building A to the top of building B is ${30}^{\circ }$. What is the ratio of the heights of building A is to building B? (Height of the tortoise is negligible.)

• A. $3:\sqrt{5}$
• B. $\sqrt{3}:5$
• C. $3:5$
• D. $\sqrt{3}:3$

Answer 1

The correct option is C $3:5$