The radius at the equator is 3,963 miles.
It's slightly less through the poles.
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Where r is the radius of the Earth, and pi = 3.14 (2 decimal places). So, it's 4 thirds multiplied by pi multiplied by the cubed radius of the Earth (6378.1Km average)The best estimate for the Earth's volume is about 1083210000000 cubic km
If you are a believer, then God did but if you are not, then nobody did. The radius of the earth existed and therefore ots radius did before there was any form of life on earth to invent it.
Approximately 6400km.Diametre between poles is about 12713km.
the average radius for a nfl football is from 9.75 to 10. 25
The radius of the earth is 6400 km.The total surface area is 4*pi*radius square