Alternate Exterior Angles
Completion requirements
Lesson 2: Transversals - Alternate Exterior Angles
Constructing Knowledge
Alternate exterior angles are on the outside of the parallel lines and on opposite sides of the transversal.
Alternate exterior angles are equal in measure.

The sets of alternate exterior angles are:
- ∠A and ∠F
- ∠C and ∠H
Multimedia
A video describing alternate exterior angles is provided.
EXAMPLE
Name the alternate exterior angles in the aerial photograph of the group of airport runways shown.
The sets of alternate exterior angles are:
Solution
The sets of alternate exterior angles are:
- ∠1 and ∠8
- ∠3 and ∠7

Now, it is your turn! Complete the questions in your Chapter 6, Lesson 2 Practice Makes Perfect that refer to Alternate Exterior Angles.
2014 © Alberta Distance Learning Centre