![]() Heptagon - Short name is heg (previously ha). The symbol is either o 6x (hexagon symmetry) or xx (trigon symmetry). My short name for it is hig (previously he). Hexagon - Commonly called hex (not to be confused with the hexadecachoron's short name). Pentagon - Short name is peg (previously pe). ![]() Non regular triangles include isot (isosceles) and scalene. Short names include trig (previously tri) and equit (for equalateral triangle). Pictures are above and a listing is below. Vertex figures are simply dyads of variant lengths which can be calculated from the formula 2cos(180*d/n) for an n/d-gon. All polygons are orientable and all regulars are tame. There are an infinity of them, they can be either convex or star polygons. A uniform polygon is considered to be a regular polygon. Regular Polygons A polygon is regular when all of its vertices are congruent and all of its edges are the same length. Sometimes the word "circle" refers to the hollow version where the solid version is called a disk. It can roll back and forth on a linear path. It could be represented by ||.Ĭircle - no flat dimensions, both dimensions are curved together. The square is the square of the dyad (line segment) and the rectangle is a dyad times a dyad (of variant lengths). Square - which can be generalized as a variety of rectangles when the dimensions are of different length. These two shapes can be considered as the basic 2-D shapes, they are either flat in both dimensions or they join them in a uniform curve. Last updated February 29, 2020.Ģ020 February 29 - Added some new short names and sections.Ģ014 April 22 - Updated polygon short names, they sound better now.īack to the First Dimension. This page will deal with regular polygons, regular compound polygons, 2-D dice, semi-uniform polygons, and any other interesting 2-D shapes. Uniform Polygons Regular Polygons and Other Two Dimensional Shapes
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