# What is a square? Definition and Examples

A square is a two-dimensional closed figure with four equal sides and four right angles. In other words, a square is a rectangle with all four sides of equal length. The following figure is a square.

## Some Properties of a Square

Opposite sides are parallel

All sides are equal

Each of the interior angle is equal to 90 degrees

The sum of all interior angles is 360 degrees.

The four right angles are shown with the special red symbol and one green marking on each side shows that all 4 sides are equal.

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