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UPSC CDS Math Height and Distances Questions

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Question : 10

Total: 25

From the top of a building 90 m high, the angles of depression of the top and the bottom of a tree are 30° and 45° respectively. What is the height of the tree ?

30√3 m
90−30√3 m
90+30√3 m
60+30√3 m

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