Exterior Angle

My Definition

Key Characteristics

The following are true of an exterior angle:

  • It is formed by one side of a polygon and the extension of an adjacent side through a common vertex.

  • Each exterior angle and the adjacent interior angle form a linear pair.

Example

Use the link below to further study examples of an exterior angle.

Exterior Angle Card Sort Activity

Exterior Angle Card Sort Activity Exterior Angle Card Sort Activity

Non-example

Angles

∠ACB is an interior angle.


TEKS: 8(8)(D)