In Mathematics, shapes define the outline or the boundary of an object. The shapes can be classified into different types based on their properties. In general, the shapes are closed by an outline or boundary, which is made up of points, lines and curves, and so on.
Types of Shapes
Based on the dimension of the shapes, each shape can be classified as follows:
Two-dimensional shapes (2D shapes): As the name suggests, it has only two dimensions such as length and breadth. The names of basic 2d shapes are circle, triangle, square, rectangle, and so on.
Three-dimensional Shapes (3D shapes): Also known as solids have three dimensions, such as length, breadth, and height. The basic 3d shapes are sphere, cube, cone, cylinder, etc.
Some of the real-life examples of shapes are a rectangular plot, a circular ground, a sugar cube, a gas cylinder, an ice cream cone, etc.
It is not necessary that shapes have to be regular like circles, squares, cubes, cylinders, etc. Shapes are also classified as regular or irregular and concave or convex. Regular shapes have uniform sizes. It means their dimensions are uniformly distributed. For example, a regular pentagon. But irregular shapes are not uniformly distributed in the XY plane. Also, there is a huge category of simple shapes. For example, a polygon, which is a closed shape, can be categorized into different figures based on the number of sides. A polygon is made up of line segments that are joined together end to end.
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