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1. |
The height of a light house is 20 meters above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30 . What is the distance of the ship from the foot of the light house? |
A. | 16 m |
B. | 20 3 m |
C. | 20 m |
D. | 30 m |
Answer» C. 20 m | |