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ABC is a triangular park with AB = AC = 100 m. A block tower is situated at the midpoint of BC.The angles of elevation of the top of the tower at A and B are `cot^-1(3.2)` and `cosec^-1(2.6)` respectively.The height of the tower is:

A

16 m

B

25 m

C

50 m

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-HEIGHTS AND DISTANCES-Exercise
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  9. On the level ground, the angle of elevation of a tower is 30^(@). O...

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  11. The angle of elevation of the top of a tower at any point on the groun...

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  15. A tree is broken by wind, its upper part touches the ground at a point...

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  16. An aeroplane flying at a height 300 metre above the ground passes vert...

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  17. A tower subtends an angle alpha at a point in the plane of its base a...

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  18. The angle of elevation of the top of a tower standing on a horizontal ...

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  19. From an aeroplane vertically over a straight horizontal road, the angl...

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  20. A vertical tower stands on a declicity which is inclined at 15^@ to th...

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