# What is a Plane Shape? Definition and Examples

What is a plane shape? A plane shape, also called two-dimensional shape or plane figure, is a geometric figure that is completely flat. In other words, the figure has no thickness.

In fact, the expression two-dimensional refers to a figure that has two dimensions - length and width.

Since a plane shape has only length and width, but no depth, it makes sense that the figure will be flat.

## Examples of plane shapes

The expression two-dimensional figure can also be written as 2D figure.

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