a vertical tower is 20m high. a man standing at some distance from the tower knowing that the angle of elevation of the top of the tower is 60. how far is he standing from the foot of the tower ?

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Sept. 16, 2017, 4:17 p.m.

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Arpita Shrivastav's image
Arpita Shrivastav
Jan. 7, 2018, midnight
hi
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