When two lines are crossed by another line (which is called the Transversal), the pairs of angles:

• on opposite sides of the transversal

• but outside the two lines

are called Alternate Exterior Angles.

When the two lines are parallel Alternate Exterior Angles are equal.

Click on "Alternate Exterior Angles" below to see.

• on opposite sides of the transversal

• but outside the two lines

are called Alternate Exterior Angles.

When the two lines are parallel Alternate Exterior Angles are equal.

Click on "Alternate Exterior Angles" below to see.