The most perfect approximation of the earth
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circumference -40075 kms
Alison19:
correct
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assuming earth is a sphere with radius 6.371*10^6 m, it has vol. approximately 1.08*10^21 cubic meter or around 259 billion cubic miles
i. e. earth isn't a sphere, it is an oblate spheroid... but is only approximation.
i. e. earth isn't a sphere, it is an oblate spheroid... but is only approximation.
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