<Tr> <Th> Dual polygon </Th> <Td> Self </Td> </Tr> <Tr> <Th> Properties </Th> <Td> Convex, cyclic, equilateral, isogonal, isotoxal </Td> </Tr> <P> In geometry, a hexagon (from Greek ἕξ hex, "six" and γωνία, gonía, "corner, angle") is a six - sided polygon or 6 - gon . The total of the internal angles of any simple (non-self - intersecting) hexagon is 720 ° . </P> <P> A regular hexagon has Schläfli symbol (6) and can also be constructed as a truncated equilateral triangle, t (3), which alternates two types of edges . </P>

What is the name of a six-sided polygon