Alternate exterior angles and parallel lines

Parallel lines cut by a transversal make equal angles (corresponding, alternate, vertical) and angles that add to 180° (straight line, co-interior).

1. Two parallel lines are cut by a transversal. One angle measures 86°. What is the measure of an angle that is its alternate exterior angle?
2. Two parallel lines are cut by a transversal. One angle measures 110°. What is the measure of an angle that is its alternate exterior angle?
3. Two parallel lines are cut by a transversal. One angle measures 133°. What is the measure of an angle that is its alternate exterior angle?
4. Two parallel lines are cut by a transversal. One angle measures 77°. What is the measure of an angle that is its alternate exterior angle?
5. Two parallel lines are cut by a transversal. One angle measures 41°. What is the measure of an angle that is its alternate exterior angle?
6. Two parallel lines are cut by a transversal. One angle measures 98°. What is the measure of an angle that is its alternate exterior angle?
7. Two parallel lines are cut by a transversal. One angle measures 68°. What is the measure of an angle that is its alternate exterior angle?
8. Two parallel lines are cut by a transversal. One angle measures 106°. What is the measure of an angle that is its alternate exterior angle?
9. Two parallel lines are cut by a transversal. One angle measures 45°. What is the measure of an angle that is its alternate exterior angle?
10. Two parallel lines are cut by a transversal. One angle measures 83°. What is the measure of an angle that is its alternate exterior angle?
11. Two parallel lines are cut by a transversal. One angle measures 96°. What is the measure of an angle that is its alternate exterior angle?
12. Two parallel lines are cut by a transversal. One angle measures 135°. What is the measure of an angle that is its alternate exterior angle?
13. Two parallel lines are cut by a transversal. One angle measures 78°. What is the measure of an angle that is its alternate exterior angle?
14. Two parallel lines are cut by a transversal. One angle measures 63°. What is the measure of an angle that is its alternate exterior angle?
15. Two parallel lines are cut by a transversal. One angle measures 132°. What is the measure of an angle that is its alternate exterior angle?
16. Two parallel lines are cut by a transversal. One angle measures 104°. What is the measure of an angle that is its alternate exterior angle?
17. Two parallel lines are cut by a transversal. One angle measures 27°. What is the measure of an angle that is its alternate exterior angle?
18. Two parallel lines are cut by a transversal. One angle measures 44°. What is the measure of an angle that is its alternate exterior angle?
19. Two parallel lines are cut by a transversal. One angle measures 163°. What is the measure of an angle that is its alternate exterior angle?
20. Two parallel lines are cut by a transversal. One angle measures 156°. What is the measure of an angle that is its alternate exterior angle?