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
Victims of Terrorist Attack on the Pentagon Memorial all the victims of the terrorist attack on the Pentagon qualified for burial at Arlington National Cemetery. Families of those who did often chose to bury the remains of their loved ones at a private cemetery. Sixty-four individuals who died at the Pentagon were buried at Arlington, and 57 of them were interred in Section 64, their headstones facing the Pentagon about away to the southeast (visible through a few trees). No remains could be identified for five victims: In some cases, additional remains were discovered and identified after a person had already been buried by their families. Some families