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Question
The angle of elevation of the top of a tower from a certain point is 30°. If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15°. The height of the tower is:
Options:
A .  64.2 m
B .  62.2 m
C .  52.2 m
D .  54.6 m
Answer: Option D

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