Pentagon Pentagon In geometry, a pentagon (from the Greek πέντε "pente" and γωνία "gonia", meaning "five" and "angle") is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A pentagon may be simple or self-intersecting. A self-intersecting "regular pentagon" (or "star pentagon") is called a pentagram. A "regular pentagon" has Schläfli symbol {5} and interior angles are 108°. A "regular pentagon" has five lines of reflectional symmetry, and rotational symmetry of order 5 (through 72°, 144°, 216° and 288°). The diagonals of a convex regular pentagon are in the golden ratio to its
Kings of the Angles Like Offa, Freawine is made a descendant of Woden, and father of Wig, whose names were intruded into the pedigree of the kings of Bernicia when it was transferred to that of the kings of Wessex (ancestors of the kings of England). Wihtlæg, Wermund and Offa also appear in a long list of legendary Danish kings given by Saxo Grammaticus ("Gesta Danorum"). All other sources name them as kings of the Angles, though according to Matthew Paris ("Vitae duorum Offarum") Offa and his line personally ruled over the West Angles, implying that other branches of the tribe had their own