A security guard observes that the angle of elevation to the top of an observation tower is 36^o

A security guard observes that the angle of elevation to the top of an observation tower is 36^o, if he walks 65m towards the base of the tower, the angle becomes 57.5^o. What is the height of the tower?

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Wilfykil answered the question on August 20, 2019 at 12:36

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