Octagon
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In geometry, an octagon is an eight-sided polygon or 8-gon.
The octagonal floor plan, Dome of the Rock, Jerusalem.
Umbrellas often have an octagonal outline.
The famous Bukhara rug design incorporates an octagonal "elephant's foot" motif.
Janggi uses octagonal pieces.
Regular polygon
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In Euclidean geometry, a regular polygon is a polygon that is direct equiangular and equilateral. Regular polygons may be either convex or star. In the limit, a sequence of regular polygons with an in
Octagon
…In geometry, an octagon (from Ancient Greek ὀκτάγωνον (oktágōnon) 'eight angles') is an eight-sided polygon or 8-gon. A regular octagon has Schläfli symbol {8} and can also be constructed as a quasiregular truncated square, t{4}, which alternates two types of edges. A truncated…
Antiprism 17