The Compendium Geometry is an eBook providing facts, formulas and explanations about geometry. 
Home Analytic Geometry Polygons Regular Polygon  
See also: Quadrilateral, Triangle  
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Regular PolygonA regular polygon (or "ngon") is a convex polygon with equal side lengths and angles. Not all of the regular polygons can be constructed by using a compass and straightedge. The simpler regular polygons have special names:^{1)} equilateral triangle, square, pentagon, hexagon, heptagon, octagon, ..... In general the following equations apply to regular polygons of n vertices:


Home Analytic Geometry Polygons Regular Polygon 