Polygon
A closed, flat shape with straight sides
A polygon is a closed figure made up of straight line segments that do not cross each other. It is a two-dimensional shape that has three or more sides and angles. The name polygon comes from the Greek words poly, meaning many, and gonia, meaning angle.
Some examples of polygons include triangles, squares, rectangles, pentagons, hexagons, and octagons. Each of these polygons has a certain number of sides and angles. For instance, a triangle has three sides and three angles, while a square has four sides and four angles.
Polygons can be classified as regular or irregular. A regular polygon is one in which all sides and angles are equal. An irregular polygon is one in which the sides and angles are not equal.
In geometry, polygons are used to study and understand the properties of shapes and to solve problems related to area, perimeter, and volume. Their basic properties such as angles, sides, and diagonals, can be used to determine their area, perimeter, and other characteristics.
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