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1. |
The angle of elevation of the top of the tower from a point on the ground is $${\sin ^{ - 1}}\left({\frac{3}{5}} \right).$$If the point of observation is 20 meters away from the foot of the tower, what is the height of the tower? |
A. | m |
B. | 8 m |
C. | 5 m |
D. | 2 m |
Answer» D. 2 m | |