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From the top of a building AB, 60 metres...

From the top of a building AB, 60 metres hight, the angles of depression of the top and bottom of a vertical lamp post CD are observed to be `30^(@)` and `60^(@)`, respectively. Find
(i) the horizontal distance between AB and CD.
(ii) the height of the lamp post.

Text Solution

Verified by Experts

The correct Answer is:
40 m.
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Knowledge Check

  • From the top of a building 60 metre high ,the angles of depression of the top and bottom of a tower are observed to be 30^(@)and60^(@) respectively.The height of the tower in metre is :

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