Explanation:
A polygon is a two-dimensional shape formed by straight lines that are closed, meaning all lines connect to form a closed figure. Regular Polygons: Polygons where all sides and all angles are equal. Irregular Polygons: Polygons where sides and angles are not all equal. Triangle: a 3-sided polygon Quadrilateral: a 4-sided polygon Pentagon: a 5-sided polygon Hexagon: a 6-sided polygon Octagon: an 8-sided polygon