1.

The angle of elevation of the top of a tree from a point on the ground which is 300 m away from the tree is 30°. When the tree grew up, its angle of elevation of the top of it became 60° from the same point. How much did the tree grow? (nearest to an integer)

A. 342 m
B. 364 m
C. 384 m
D. 346 m
Answer» E.


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