## alternate exterior angles

### Alternate exterior angles are a pair of angles that are located on the opposite sides of a transversal line and outside the pair of parallel lines

Alternate exterior angles are a pair of angles that are located on the opposite sides of a transversal line and outside the pair of parallel lines. These angles are formed when two parallel lines are intersected by a third line called the transversal.

More specifically, when a transversal crosses two parallel lines, four pairs of alternate exterior angles are created. These pairs are located on opposite sides of the transversal line and are not adjacent angles. In other words, they are on the outer side of the parallel lines and do not share a common vertex or side.

Alternate exterior angles have some important properties. First, they are congruent, meaning they have the same measure. This congruency is a result of the parallel lines and the transversal. Second, the sum of the measures of the two alternate exterior angles on one side of the transversal is always equal to 180 degrees, as they form a linear pair.

These angles find applications in various geometric proofs and theorems. They are crucial in proving properties related to alternate interior angles, corresponding angles, and the uniqueness of parallel lines, among others.

To summarize, alternate exterior angles are pairs of congruent angles formed by a transversal intersecting two parallel lines. They are located on opposite sides of the transversal and are important in geometry proofs and theorems.

##### More Answers:

Exploring the Alternate Exterior Angles Theorem | Understanding Angle Relationships in GeometryUnderstanding the Consecutive Interior Angles Theorem | Exploring Angle Relationships in Geometry with Parallel Lines and Transversals

Understanding the Corresponding Angles Theorem | Exploring the Relationship Between Angles when Parallel Lines are Intersected by a Transversal