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
The Conversion of Sum Loo his patronym. His wife also keeps away from other people. Once, Sister Hannah follows her into a joss house and sees her tear away pages from the Bible. "The Conversion of Sum Loo" is a rewriting of Cather's earlier story, "A Son of the Celestial". The Conversion of Sum Loo The Conversion of Sum Loo is a short story by Willa Cather. It was first published in "Library" in August 1900. After his first wife dies without giving him the progeny his recently deceased father strongly wished him to have, Sum Chin, who grew up in China and now lives