the.com/octagon
the shape that means stop on the road and brawl in the cage
stop signsEight sides so drivers recognize it even snow-covered
fighting cageUFC trademarked the eight-sided Octagon in 2001
angle sumInterior angles total exactly 1080 degrees
islamic artSymbolizes the transition from square earth to circular heaven
truncated squareSlice four corners off a square, octagon appears