A school boy lying on the ground 30m away from the foot o...
A school boy lying on the ground 30m away from the foot of a water tank tower observes that the angle of elevation of the top of the tank is 60°. Calculate the height of the water tank.
60m
30 √3m
20 √3m
10 √3m
Correct answer is B
h = 30 tan 60°
= 30√3
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