A polyhedron.
Polygon
It is called a polyhedron.
A cone
the flat surfaces of a solid figure are the
A SPHERE has no vertices and no FLAT surfaces
Polygon
no they don't have solid surfaces their surfaces are composed of gaseous material
Venus and Mercury also have solid surfaces.
It is called a polyhedron.
A prism
A cone
the flat surfaces of a solid figure are the
A cylinder
LxW
vertexes
A sphere.
surfaces