# the distance around the earth is 40,074 kilometers. find the equitorial diameter of earth to the nearest kilometer.

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Let us say the equitorial diameter of the earth is D.

So the distance aroud earth can be derived as `piD` .

`piD = 40074`

`D = 40074/pi`

`D = 12755.95km`

*So the equitorial diameter of the earth to the nearest kilometer is 12756km.*