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
The Sum of All Fears (film) a logical and lasting idea that would be universal." It has also been noted that a larger percent of profits stems from international audiences, and American filmmakers work to avoid alienating large segments of this customer base. Principal photography for "The Sum of All Fears" began on February 12, 2001 in Montreal, Quebec. A majority of the film was shot in Montreal, including the sequences at the football game that were shot in the city's Olympic Stadium. Additional filming was done at the Diefenbunker in Ottawa, Ontario. Production finished in June 2001. The interior scene of the aircraft carrier was