When the angle of elevation of the sun is 60°, a vertical pole casts a shadow 12 m long on level ground. Taking √3 = 1.732, what is the height of the pole?
Correct answer D. 20.78 m
Explanation
In the right triangle, tan 60° = height / shadow, so height = 12 x √3 = 12 x 1.732 = 20.78 m.
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