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A pole is standing erect on the ground w...

A pole is standing erect on the ground which is horizontal. The tip of the pole is tied tight with a rope of length `sqrt(12)` m to a point on the ground. If the rope is making `30^(@)` with the horizontal, then the height of the pole is

A

`2sqrt(3)` m

B

`3sqrt(2)` m

C

3 m

D

`sqrt(3)` m

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