Solve the problem.
-Find the distance in kilometers between the cities whose latitudes are given. Assume that the cities are on a north-south line and that the radius of the earth is 6400 km. City A, 18°N and city B, 39°N
A) 2328 km
B) 2403 km
C) 2346 km
D) 2385 km
Correct Answer:
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