From Toronto To Kabul

Geometry Level 4

Make the simplifying assumption that the earth as a sphere with a radius of 6371 km. Find the length (in km) of the geodesic (shortest distance along the surface of the earth) between Toronto, Canada (43°39′N 79°23′W) and Kabul, Afghanistan (34°31′N 69°12′E).

Details and assumptions

This problem accompanies the Around The World in 80 Hours competition.

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