Is the circle considered a polygon?

A circle is not a polygon. Can a Circle be a Polygon? Could a circle be considered a polygon with an infinite number of sides? Polygons, Infinite Sides, and Circles: Can a regular polygon with an infinite number of sides be a circle? How Many Edges in a Circle? Are there one, none, or an infinite number of edges in a circle? read more

According to the Wikipedia definition, a polygon is"a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit". Going with this definition, neither a circle is a polygon nor a polygon is a circle; they are mutually exclusive. read more

No: for the same reasons a circle is generally not considered a polygon - these are well-expressed below. A circle is in some sense the limit of an n-gon as n approaches infinity, but a semicircle can’t even claim that. read more