A man whose eyes are 1.8 m above the ground stands 28.2 m from the foot of a vertical tower. The angle of elevation of the top of the tower from his eyes is 45°. What is the height of the tower?
Correct answer C. 30 m
Explanation
Height above eye level = 28.2 x tan 45° = 28.2 m. Adding eye height: 28.2 + 1.8 = 30 m.
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