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A tower subtends an angle of 30^@ at a p...

A tower subtends an angle of `30^@` 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 `60^@`. The height of the tower is____

A

h/2 m

B

`sqrt3h m`

C

h/3 m

D

`(h)/(sqrt3) m`

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UNITED BOOK HOUSE-Application of Trigonnometric Ratios : Heights of Distance-Exercise
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  15. It is found that on walking x metres towards a chimney in a horizontal...

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  18. In the figure D is the midpoint of BC, angleCAB = alpha, angleDAB = be...

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