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A man on the ground observes that the angle of elevation of the top of a tower is 68^(@) 11', and a flagstaff 24 m high on the summit of the tower subtends an angle of 2^(@) 10' at the observer's eye. If tan 70^(@) 21' = 2.8 and cot 68^(@) 11' = 0.4, the height of the tower is |
| Answer» Answer :C | |