https://github.com/davepinch/pinchy.cc/blob/master/content/topics/conspiracy/gateway-process/analysis/sections/34/34-5.md
Hexagon (Wikipedia) In geometry, a hexagon (from Greek ἕξ, hex, meaning “six”, and γωνία, gonía, meaning “corner, angle”) is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.