Triangles, squares, rectangles, pentagons, hexagons and octagons are some of the most common polygons. A polygon is a plane figure with many sides made up of line segments. More » Math Geometry Shapes

A nine-sided polygon is called a nonagon. Another name for a nine-sided polygon is enneagon. The general accepted names are "n-gon" where n is the number of the sides of the polygon. More »

The name of a 10-sided polygon is a decagon. The term "decagon" comes from the modern Latin word "decagonum" and from the Greek "dekagonon," which is a combination of "deka," meaning "ten" and "gonia," meaning "corner" o... More »

Geometric shapes found in nature include pentagons, hexagons, spirals, waves and lines. These shapes are fascinating examples of mathematical laws being manifested by natural or biological means. More »

Some examples of plane figures are triangles, rectangles, squares, rhombuses, parallelograms, circles, ovals, hearts, pentagons and hexagons. A plane figure is a flat figure with closed lines that stays in a single plane... More »

Stop signs used in the United States and most other countries are eight-sided octagons, the shape of which was initially proposed in 1923 by the Mississippi Valley Association of State Highway Departments. The red octago... More »

An official soccer ball typically consists of 20 white hexagons and 12 black pentagons tightly stitched together for a puzzle-like fit. Manufacturers began using patches of leather hexagons and pentagons to construct soc... More » Sports & Active Lifestyle Classic Sports Soccer/Football