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A skew dodecagon is a skew polygon with 12 vertices and edges but not existing on the same plane. The interior of such a dodecagon is not generally defined. The interior of such a dodecagon is not generally defined.
Individual polygons are named (and sometimes classified) according to the number of sides, combining a Greek-derived numerical prefix with the suffix -gon, e.g. pentagon, dodecagon. The triangle, quadrilateral and nonagon are exceptions, although the regular forms trigon, tetragon, and enneagon are sometimes encountered as well.
A regular dodecagram has the same vertex arrangement as a regular dodecagon, which may be regarded as {12/1}. Dodecagrams as regular compounds.
In mathematics, a dodecagonal number is a figurate number that represents a dodecagon.The dodecagonal number for n is given by the formula = The first few dodecagonal numbers are:
Individual polygons are named (and sometimes classified) according to the number of sides, combining a Greek-derived numerical prefix with the suffix -gon, e.g. pentagon, dodecagon. The triangle, quadrilateral and nonagon are exceptions.
The regular icositetragon is represented by Schläfli symbol {24} and can also be constructed as a truncated dodecagon, t{12}, or a twice-truncated hexagon, tt{6}, or thrice-truncated triangle, ttt{3}.
The polytopes of rank 2 (2-polytopes) are called polygons.Regular polygons are equilateral and cyclic.A p-gonal regular polygon is represented by Schläfli symbol {p}.. Many sources only consider convex polygons, but star polygons, like the pentagram, when considered, can also be regular.
The Schläfli symbol is a recursive description, [1]: 129 starting with {p} for a p-sided regular polygon that is convex.For example, {3} is an equilateral triangle, {4} is a square, {5} a convex regular pentagon, etc.