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A tower subtends an angle of 30o at a...

A tower subtends an angle of `30o` at a point on the same level as its foot. At a second point `h` metres above the first, the depression of the foot of the tower is `60o` . The height of the tower is `h/2m` (b) `sqrt(3)h\ m` (c) `h/3m` (d) `h/(sqrt(3))m`

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