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The points are P(65oS,96oE) and Q(65oS,84oW)
Longitude difference between
the two points is
96 + 84 + 180o
Distance between P and Q in km
= $\frac{180^o}{360^o}$ x 2 x 3.142 x 6 370 cos 65o
= $\frac{1}{2}$ x 2 x 3.142 x 6370 x 0.423
= 3.142 x 6370 x 0.423
= 8 458.5 km
johnmulu answered the question on March 8, 2017 at 13:20
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