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The angle of elevation of the toop point...

The angle of elevation of the toop point P of the vertical tower PQ of height h from a point A ` 45^(@)` and from a point B is ` 60 ^(@)` , where B is a point at a distance 30 meters from the point A measured along the line AB which makes an angle ` 30^(@) ` with AQ . Then the height of the tower is.

A

` 15(sqrt3-1) `

B

` 15(sqrt3+1) `

C

` 10 (sqrt3-1) `

D

` 10 (sqrt3+1) `

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The correct Answer is:
B
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