Alternate interior 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 76°. What is the measure of an angle that is its alternate interior angle?
2. Two parallel lines are cut by a transversal. One angle measures 148°. What is the measure of an angle that is its alternate interior angle?
3. Two parallel lines are cut by a transversal. One angle measures 83°. What is the measure of an angle that is its alternate interior angle?
4. Two parallel lines are cut by a transversal. One angle measures 121°. What is the measure of an angle that is its alternate interior angle?
5. Two parallel lines are cut by a transversal. One angle measures 96°. What is the measure of an angle that is its alternate interior angle?
6. Two parallel lines are cut by a transversal. One angle measures 62°. What is the measure of an angle that is its alternate interior angle?
7. Two parallel lines are cut by a transversal. One angle measures 39°. What is the measure of an angle that is its alternate interior angle?
8. Two parallel lines are cut by a transversal. One angle measures 79°. What is the measure of an angle that is its alternate interior angle?
9. Two parallel lines are cut by a transversal. One angle measures 155°. What is the measure of an angle that is its alternate interior angle?
10. Two parallel lines are cut by a transversal. One angle measures 114°. What is the measure of an angle that is its alternate interior angle?
11. Two parallel lines are cut by a transversal. One angle measures 68°. What is the measure of an angle that is its alternate interior angle?
12. Two parallel lines are cut by a transversal. One angle measures 67°. What is the measure of an angle that is its alternate interior angle?
13. Two parallel lines are cut by a transversal. One angle measures 116°. What is the measure of an angle that is its alternate interior angle?
14. Two parallel lines are cut by a transversal. One angle measures 42°. What is the measure of an angle that is its alternate interior angle?
15. Two parallel lines are cut by a transversal. One angle measures 71°. What is the measure of an angle that is its alternate interior angle?
16. Two parallel lines are cut by a transversal. One angle measures 129°. What is the measure of an angle that is its alternate interior angle?
17. Two parallel lines are cut by a transversal. One angle measures 131°. What is the measure of an angle that is its alternate interior angle?
18. Two parallel lines are cut by a transversal. One angle measures 63°. What is the measure of an angle that is its alternate interior angle?
19. Two parallel lines are cut by a transversal. One angle measures 166°. What is the measure of an angle that is its alternate interior angle?
20. Two parallel lines are cut by a transversal. One angle measures 65°. What is the measure of an angle that is its alternate interior angle?