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This problem affirms the idea that great circle distances on a sphere are the shortest distances. It prepares the way for more complicated calculations of distances between any two places on the globe.
See Flight Path.
Over the Pole
Age 16 to 18
Challenge Level 
This problem affirms the idea that great circle distances on a sphere are the shortest distances. It prepares the way for more complicated calculations of distances between any two places on the globe.
See Flight Path.
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Flight Path
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