Shape

Shape is another name for a geometrical figure.

Some shapes are two-dimensional and others are three-dimensional. Shapes can have sides from 3 - ∞

The study of shapes is begun in elementary school.

Name of Shapes with Sides 3-20

 * Triangle
 * Square
 * Pentagon
 * Hexagon
 * Heptagon
 * Octagon
 * Nonagon
 * Decagon
 * Hendecagon
 * Dodecagon
 * Tridecagon
 * Tetradecagon
 * Pentadecagon
 * Hexadecagon
 * Heptadecagon
 * Octadecagon
 * Nonadecagon
 * Icosagon