# Uses of Polydrons

- Match a polyhedron with its net
- Identifying and counting edges, faces, and vertices
- Euler's formula
- Building polyhedra
- Prove there are exactly 5 Platonic solids
- Find the number of free \(n\)-ominoes, for small \(n\)

- Match a polyhedron with its net
- Identifying and counting edges, faces, and vertices
- Euler's formula
- Building polyhedra
- Prove there are exactly 5 Platonic solids
- Find the number of free \(n\)-ominoes, for small \(n\)