The angle of depression of a boat in a river is from the top of a tower, 87 m high and the speed of the boat is 5.8 km/h. The time taken by the boat to reach at the base of the tower is |
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a) |
9 min |
b) |
c) |
25 min |
d) |
15 min |

The angle of depression of a boat in a river is from the top of a tower, 87 m high and the speed of the boat is 5.8 km/h. The time taken by the boat to reach at the base of the tower is |
|||||||

a) |
9 min |
b) |
c) |
25 min |
d) |
15 min |

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