alleryTop of a vertical tower has elevations 60° from level ground,30° from 10 m directly above that point. Height?
A15 m
B20 m
C30 m
D10 m
Answer & Solution
Correct answer: A. 15 m
With horizontal distance x, h = x√3 and h − 10 = x/√3 give h = 15 m.
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