dihedral group

Questions

What does dihedral group mean?

a group of symmetries of a regular polygon

Where does dihedral group come from?

From di- and -hedron; so called because the polygon, when it can be reflected along certain axes of symmetry, has two faces: its upper side and its underside.

How to pronounce dihedral group

1. Open the pronunciation page — Open the Speakur entry for “dihedral group”.
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