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PQ is a vertical tower, P is the foot, Q...

PQ is a vertical tower, P is the foot, Q the top of the tower, A, B, C are three points in the horizontal plane through P. The angles of elevation of from A, B, C are equal and each is equal to `theta`. The sides of the triangle ABC are a, b, c and the area of the triangle ABC is `triangle`. The height of the tower is

A

`(abc) tan theta//4 triangle`

B

`(abc) cot theta//4 triangle`

C

`(abc) sin theta//4 triangle`

D

none of these

Text Solution

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The correct Answer is:
A
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