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Height of a tower is 120 metres. The ang...

Height of a tower is 120 metres. The angle of elevation of the top of tower from a point B is `75^@`.Point B is on the ground level. What is the distance (in metres)of point B from the base of tower?
एक भीनार की ऊँचाई 120 मीटर है। बिंदु B से मीनार की चोटी का उन्नयन कोण `75^@` है। बिंदु B जमीन की सतह पर है। मीनार के आधार से बिंदु B की दूरी (मीटर में) क्या है?

A

`120(2- sqrt3)`

B

`180(3- sqrt3)`

C

`180(sqrt3-1)`

D

`150(sqrt3-1)`

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