1.

The angle of elevation of a 30 m high tower from one side of tower to two point on the ground are 30° and 45° respectively. If both points and base of the tower are in a line, the distance between two points is:

A. 30 m
B. \(30\sqrt{3} \ m\)
C. \(30(\sqrt{3}-1) m\)
D. \(30(\sqrt{3}+1) m\)
Answer» D. \(30(\sqrt{3}+1) m\)


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