Engineering Board Exam Reviewer · Spherical Trigonometry · medium
One point lies on a meridian at latitude 12° N and another point on the same meridian at latitude 28° S. Find the great-circle distance between them in nautical miles (one minute of arc equals one nautical mile).
- 960
- 1680
- 720
- 2400
Answer
D. 2400
Solution
On the same meridian the arc is 12°+28°=40°=2400', so the distance is 2400 nautical miles.
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