Determine the distance on the earth's surface between two town P (lat 60°N, Long 20°E)...
MATHEMATICS
JAMB 1992
Determine the distance on the earth's surface between two town P (lat 60°N, Long 20°E) and Q(Lat 60°N, Long 25°W) (Radius of the earth = 6400km)
- A. \(\frac{800\pi}{9}\)km
- B. \(\frac{800\sqrt{3\pi}}{9}\)km
- C. 800\(\pi\) km
- D. 800\(\sqrt{3\pi}\) km
Correct Answer: C. 800\(\pi\) km
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