A man’s eye level is 1.7m above the horizontal ground and 13m from a vertical pole. If the pole is 8.3m high, calculate, correct to the nearest degree, the angle of elevation of the top of the pole from his eyes.
-
A.
33o -
B.
32o -
C.
27o -
D.
26o
Correct Answer: Option C
Explanation
tan (theta = frac{opp}{adj} = frac{6.6}{13})
tan (theta = 0.5077)
(theta) = tan-1 0.5077
(theta = 27^o)