What is the Symmetry in Geometrical Shapes Symmetry in Geometrical Shapes We know that a polygon is a closed figure with three or more line segments. A polygon is called a regular if all of its sides and angles are equal. Thus, an equilateral triangle is a regular polygon of three sides. Similarly, a regular polygon of four sides is a square. The regular polygons are … [Read more...] about What is the Symmetry in Geometrical Shapes