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Avertical pole consists of two parts , t...

Avertical pole consists of two parts , the lower part being one third of the wole .At a point in the horizontal plane through the base of the pole and distance 2 m from it, the upper part of the pole subtends an angle whose tangent is 1/2 .Find the possible height of the place .

A

100 gt

B

120 ft

C

150 ft

D

None of these :

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The correct Answer is:
B
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