Question on: WAEC Mathematics - 2004
The angle of elevation of the top of a tower from a point on the ground which is 36m away from the foot of the tower is 30o. Calculate the height of the tower.
A
62.35m
B
20.78m
C
18.00m
D
10.39m
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Correct Option: B
Where H is the height of the tower H = ?
(Tan 30^{\circ} = \frac{H}{36} \Rightarrow H = 36 \times tan30^{\circ}<br />
H = 36 \times 0.5774 = 20.79)
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