Equilateral pentagon Equilateral pentagon In geometry an equilateral pentagon is a polygon with five sides of equal length. Its five internal angles, in turn, can take a range of sets of values, thus permitting it to form a family of pentagons. The requirement is that all angles must add up to 540 degrees and must be between 0 and 360 degrees but not equal to 180 degrees. In contrast, the regular pentagon is unique, because it is equilateral and moreover it is equiangular (its five angles are equal; the measure is 108 degrees). Four intersecting equal circles arranged in a closed chain
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