# Sides of an angle

"Side" is a term that is used in both geometry and algebra.

### sides of a polygon

The sides of a polygon are three or more line segments that form the polygon.

Example

Each line segment in the figure shown, AC, AB, and CB is one side:

### sides of an angle

The sides of an angle are the rays that form the angle.

Example

Each ray in the figure shown, rays BA and BC, is one side of the angle.

### sides of an equation

Example

4 + n = 7 - 1

4 + n is the left side of the equation

7 - 1 is the right side

See also expression, line segment, ray.