All of those are 3-dimensional shapes.
dodecahedron
The net of a 3D shape
cone
A sphere is indeed a three dimensional shape. It is a circle rotated about an axis several times to create and three dimmensional object from a two dimensional shape.
The shape of the globe is a sphere.
It is a sphere
a sphere
A sphere
its a sphere
sphere
An irregular sphere-like shape.
A sphere as a polygon is a shape with three or more sides and a sphere has no sides