1. 3.5 Properties of Parallel Lines
Geometry Quiz 3.4
2. If two lines intersect to form a pair of adjacent congruent angles, the lines are _______________.

3. 3.5 Properties of Parallel Lines

4. Corresponding Angles Postulate2 1
If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.

5. Corresponding Angles Postulate2 1
If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.

6. Alternate Interior Angles Theorem2 1
If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.

7. Consecutive Interior Angles Theorem2 1
If two parallel lines are cut by a transversal, then the pairs of consecutive interior angles are supplementary.

8. 3.5 Properties of Parallel Lines

9. Alternate Exterior Angles Theorem2 1
If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent.

10. Perpendicular Transversal Theorem
If a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the second.

11. 3.5 Properties of Parallel Lines
QED