Hexagon circle) with vertices given by the six intersections of the edges of a triangle and the three lines that are parallel to the edges that pass through its symmedian point. If the successive sides of a cyclic hexagon are "a", "b", "c", "d", "e", "f", then the three main diagonals intersect in a single point if and only if . If, for each side of a cyclic hexagon, the adjacent sides are extended to their intersection, forming a triangle exterior to the given side, then the segments connecting the circumcenters of opposite triangles are concurrent. If a hexagon has vertices
Hexagon Sun released songs with the title "Turquoise Hexagon Sun" and "Orange Hexagon Sun"; the former has been featured on "Boc Maxima", "Hi Scores", and "Music Has the Right to Children", and the latter on the bootleg "Old Tunes, Vol. 2" tape. The existence of Hexagon Sun and oblique references to it in interviews, web sites and album packaging have contributed to what many people regard as the mythological aura surrounding Boards of Canada. Opinions on this subject differ greatly; certain fans of Boards of Canada and their record label Warp regard Hexagon Sun as a mysterious cult, while others believe that