Knowing that the circumference of the earth’s equator is 5.400 geographical miles, determine the radius of the earth

Knowing that the circumference of the earth’s equator is 5.400 geographical miles, determine the radius of the earth and calculate its surface and volume.

Radius = 859.45 geogr. miles; surface = 9.261.000 sq. geogr. miles; volume = 2.650.000.000 cbm geogr. miles.

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