A man standing at a point P is watchi...

A man standing at a point `P` is watching the top of a tower, which makes an angle of elevation of `30o` with the mans eye. The man walks some distance towards the tower to watch its top and the angle of elevation becomes `60o` . What is the distance between the base of the tower and the point `P` ? `4sqrt(3)` units (b) 8 units (c) 12 units (d) Data inadequate

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