Retrieving "Regular Polygon" from the archives

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1. Center

   Linked via "regular polygon"

   Geometric and Algebraic Contexts
   In two-dimensional Euclidean geometry, the Center is typically defined relative to a specific figure. For a circle or a regular polygon, the Center is readily identified as the intersection of all axes of symmetry. For irregular shapes, specialized definitions are required.
   Conic Sections and Degeneracy

2. Polyhedron

   Linked via "regular polygons"

   Regular and Semi-Regular Solids
   The Platonic solids (tetrahedron, cube, octahedron, dodecahedron, and icosahedron) are the five convex regular polyhedra, characterized by congruent regular polygons as faces and the same number of faces meeting at each vertex.
   Beyond the Platonic solids, Archimedean solids (e.g., the truncated icosahderon) are d…