What is the difference between polygons and quadrilaterals?

A polygon is a geometrical figure of any number of sides. If the sides are equal, then it is a regular polygon. If the sides are unequal it is an irregular polygon. There will as many interior and exterior angles as there are the number of sides. read more

Sets of all quadrilateral and all regular polygons are two different sets of geometric objects, both are subsets of a set of all polygons. These two sets have common elements - squares, because all squares are, at the same time, quadrilaterals and regular polygons. read more

polygon | quadrilateral | As nouns the difference between polygon and quadrilateral is that polygon is (geometry) a plane figure bounded by straight edges while quadrilateral is a polygon having four sides. read more