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