If a solid, it is called a "Polyhedron". If just lines in three dimensions, its called a "Three Dimensional Polygon". Polyhedron derives from Greek words for "many faced" or "many sided". Polygon derives from "many angles"
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If a solid, it is called a "Polyhedron". If just lines in three dimensions, its called a "Three Dimensional Polygon". Polyhedron derives from Greek words for "many faced" or "many sided". Polygon derives from "many angles"
Cube is a 3 Dimentional object and polygon is a 2 Dimentional object, so cube can not be considered as polygon. this is same question if circle is a sphere? (dimensional)
A three-sided, two-dimensional polygon is called a "triangle".
An arrow can be a polygon. A polygon is any two dimensional plane figure. An arrow can, obviously, be a three dimensional object.
A polyhedron is a three-dimensional figure formed by flat surfaces that are bounded by polygons joining along their sides (the faces of the polyhedron).A circle is not a polygon, but we can say that a circle is the limit of a regular polygon with n sides. It means that if n becomes larger and larger, the polygon shape approaches to a circle. A circle is a two dimensional figure as a polygon is, but a three dimensional figure whose base(s) is/are a circle cannot be called a polyhedron.