MCQOPTIONS
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| 1. |
From the top of a cliff 90 m high, the angle of depression of the top and bottom of a tower are 30∘ and 60∘ respectively, then the height of the tower is - |
| A. | 30 m |
| B. | 30√3 m |
| C. | (90 - 30√3) m |
| D. | 60 m |
| Answer» E. | |