what is the difference between polygon and polyhedron ?

A polygon is traditionally a plane figure that is bounded by a closed path, composed of a finite sequence of straight line segments (i.e., by a closed polygonal chain). These segments are called its *edges* or *sides*, and the points where two edges meet are the polygon's *vertices* (singular: vertex) or *corners*. An ** n-gon** is a polygon with

*n*sides. The interior of the polygon is sometimes called its

*body*. A polygon is a 2-dimensional example of the more general polytope in any number of dimensions.

In geometry, a **polyhedron** (plural **polyhedra** or **polyhedrons**) is a geometric solid in three dimensions with flat faces and straight edges. The word **polyhedron** comes from the Classical Greek πολύεδρον, as *poly-* (stem of πολύς, "many") + *-hedron* (form of έδρα, "base", "seat", or "face").

A polyhedron is a 3-dimensional example of the more general polytope in any number of dimensions.

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