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1. |
The angular elevation of the top of a tower from a distant point on the horizontal ground is observed to be 30 and proceeding 30 metres from the point towards the foot of the tower it is observed to be 45 . Find the height of the tower. |
A. | 15 metre |
B. | 15 |
C. | 15 ( |
D. | + 1) metre |
E. | None of these |
Answer» D. + 1) metre | |