Definition: Polyhedral is a term used in mathematics to describe shapes or figures that are made up of several polygons. A polygon, by definition, is a closed figure with straight sides and angles. Polyhedral objects can be classified into two types: convex and concave. Convex polyhedra have faces that are regular polygons such as triangles, squares, pentagons, hexagons, etc., while concave polyhedra have faces that are irregular polygons such as octagons or
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