Question

It is a sphere, slightly flattened at the poles​

Answer 1

Answer:

The earth is slightly flattened at the poles and its spherical shape is called as a oblate spheroid

Answer 2

Answer:

since the earth is flattened at the poles and bulges at the equator, geodesy represents the figure of the earth as an oblate spheroid. the oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis.