Question

How can we name a polygon?

Answer 1

Naming a polygon by its number of sides requires that we know the appropriate Greek prefixes along with some rules for their use.

For polygons with 3 through 20 sides, simply add "gon" to the prefixes at the left (although a trigon is more commonly called a triangle and a tetragon, a quadrilateral!).

Answer 2

In elementary geometry, a polygon (/ˈpɒlɪɡɒn/) is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit. The solid plane region, the bounding circuit, or the two together, may be called a polygon.