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
Antiprism 17
Hexagon
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In geometry, a hexagon is a six-sided polygon. The total of the internal angles of any simple hexagon is 720°.
Regular polygon
…a; and area, A of regular polygons of n sides and circumradius 1, with the base, b of a rectangle with the same area. The green line shows the case n = 6. The circumradius R from the center of a regular polygon to one of the vertices is related to the side length s or to the apothem a by R = s 2 sin…
Giant's Causeway closeup
The ideal crystalline structure of graphene is a hexagonal grid.
Assembled E-ELT mirror segments
A beehive honeycomb