A sphere
A cylinder
a sphere, of course!
a cylinder l
Pyramid
0 vertices 0edges 2 flat surfaces
6 flat surfaces - known as faces, 12 edges 8 vertices.
A cube fits the given description which also has 12 edges
Sphere
A triangular based pyramid would fit the given description.
A cube has 4 flat surfaces (called faces) and 6 vertices (or corners).
There is no such shape.