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Polygons Polyhedrons
4 quadrangle, tetragon tetrahedron
5 pentagon pentahedron
6 hexagon hexahedron
7 heptagon, septangle heptahedron, septahedron
8 octagon octahedron
9 nonagon, enneagon nonahedron, enneahedron
10 decagon decahedron
11 hendecagon, undecagon undecahedron
12 dodecagon dodecahedron
13 tridecagon, triskaidecagon tridecahedron