Please need ko na po asap

1. Not Polyhedron
2. Not Polyhedron
3. Not Polyhedron
4. Polyhedron
5. Polyhedron
6. Polyhedron
7. Polyhedron
8. Polyhedron
9. Polyhedron
10. Polyhedron
Basically, anything that is curved/has a circle is not a polyhedron.