1.

From the top of a lighthouse, 100 m high, the angle of depression of a boat is \({\tan ^{ - 1}}\left( {\frac{5}{{12}}} \right).\) What is the distance between the boat and the lighthouse?

A. 120 m
B. 180 m
C. 240 m
D. 360 m
Answer» D. 360 m


Discussion

No Comment Found