1.

From the top of a platform 5 m high, the angle of elevation of a tower was 30°. If the platform was positioned 40√3 m away from the tower, how tall was the tower?

A. 45 m
B. 30√3 m
C. 40 m
D. 20√3 m
E. 30 m
Answer» B. 30√3 m


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