The angle of elevation of the top of a t...

The angle of elevation of the top of a tower a point A due south of it is `30^@` and from a point B due west of it is `45^@` .If the height of the tower is 100 meters ,then find the distance AB.

A

150 m

B

200 m

C

173.2 m

D

141.4 m

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A, B

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