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ABC is a triangular park with AB=AC=100 ...

ABC is a triangular park with AB=AC=100 m .A clock tower is situated at the midpoint of BC. The angle of elevation `alpha " and " beta ` of the top of the tower at A and B, respectively ,are such that cot `alpha` =3.2 cosec `beta` = 2.6 Find the height of the tower .

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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