The approximate diameter of Earth is ........

Explanation:

The approximately diameter of Earth is 12800 km. The rotation of the planet  has slightly flattened it out, so it has a larger diameter at the equator than at    the poles. The equatorial diameter of Earth is 12,756 km, its polar diameter is 12,713 km, and its average diameter, which is referred to in common usage, is 12,742 km or 7,926 miles