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A balloon moving in a straight line pass...

A balloon moving in a straight line passes vertically above two points A and B on a horizontal plane 300 ft apart. When above A it has an altitude of `30^(@)` as seen from A. The distance of B it has an altitude of `30^(@)` as seen from A. The distance of B from the point C where it will touch the plane is

A

`150(sqrt3+1)ft`

B

`150ft`

C

`150(3+sqrt3)ft`

D

`300(sqrt3+1)ft`

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The correct Answer is:
A
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