5 ms·
Neat. So 10000km = an "arc" from the equator to a pole. If you assume the Earth is a sphere, the circumference at the equator = 4 * 10,000.
by turnip1979 12y ago
Neat. So 10000km = an "arc" from the equator to a pole. If you assume the Earth is a sphere, the circumference at the equator = 4 * 10,000.