regular decagon
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Decagon — Regular decagon Edges and vertices 10 Schläfli symbol {10} Coxeter–Dynkin diag … Wikipedia
Decagon — Dec a*gon, n. [Pref. deca + Gr. ? a corner or angle: cf. F. d[ e]cagone.] (Geom.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal. [1913 Webster] … The Collaborative International Dictionary of English
Regular polygon — A regular polygon is a polygon which is equiangular (all angles are congruent) and equilateral (all sides have the same length). Regular polygons may be convex or star.General propertiesThese properties apply to both convex and star regular… … Wikipedia
Internal angle — If every internal angle of a polygon is at most 180 degrees, the polygon is called convex.In contrast, an exterior angle (or external angle) is an angle formed by one side of a simple polygon and a line extended from an adjacent side.Interior… … Wikipedia
Desargues graph — Named after Gérard Desargues Vertices 20 Edges 30 … Wikipedia
Girih tiles — are a set of five tiles that were used in the creation of tiling patterns for decoration of buildings in Islamic architecture. They are known to have been used since about the year 1200 and their arrangements found significant improvement… … Wikipedia
Decagram (geometry) — Decagram Edges and vertices 10 Schläfli symbol {10/3} Symmetry group … Wikipedia
Десятиугольник — Правильный десятиугольник Рёбра и вершины 10 Площадь … Википедия
List of geometric shapes — This is a list of geometric shapes.Generally composed of straight line segments* polygon ** concave polygon ** constructible polygon ** convex polygon ** cyclic polygon ** decagon ** digon ** dodecagon ** nonagon ** equiangular polygon **… … Wikipedia
Truncated dodecahedron — In geometry, the truncated dodecahedron is an Archimedean solid. It has 12 regular decagonal faces, 20 regular triangular faces, 60 vertices and 90 edges. TOC Geometric relations This polyhedron can be formed from a dodecahedron by truncating… … Wikipedia
List of uniform polyhedra by vertex figure — There are many relations among the uniform polyhedron.Some are obtained by truncating the vertices of the regular or quasi regular polyhedron.Others share the same vertices and edges as other polyhedron.The grouping below exhibit some of these… … Wikipedia
