alleryStart learning →Two equal poles flank an 80 m road. Tops seen at 60° and 30° from a point between. Pole height?
A40 m
B20 m
C40√3 m
D20√3 m
Answer & Solution
Correct answer: D. 20√3 m
With the point x metres from the first pole, h equals x√3 and h equals (80 − x)/√3, giving x = 20 and h = 20√3 m.
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