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

Non-example

∠*ACB* is an interior angle.

TEKS: 8(8)(D)