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
Of Angels and Angles a world not of angels, but of angles where men speak of moral principles but act on power principles" The song is unique on the album in that it features only vocalist Colin Meloy with acoustic guitar accompaniment. Of Angels and Angles "Of Angels and Angles" is a track by The Decemberists off their album Picaresque. It is the eleventh and final song on the album. Its title is likely an allusion to the phrase "Non Angli, sed Angeli." ("Not Angles, but Angels.") In legend, this was a Latin pun allegedly said by Pope Gregory I after a response to