Could a Pentagon Be a Polygon?

A pentagon is a polygon with five sides and five angles and can be either a regular or irregular polygon, depending on the measurements of its sides and angles.

What is the difference between pentagon and polygon?

As nouns the difference between polygon and pentagon

is that polygon is (geometry) a plane figure bounded by straight edges while pentagon is (geometry) a polygon with five sides and five angles.

What is not a polygon?

A circle is not a polygon. ... A figure or shape is not considered a polygon if it has rounded sides or if its sides intersects at any place other than at the ends of each side. Therefore a circle is not a polygon and an hourglass shape is not a polygon. Instead, it is two polygons, two triangles.