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 _______________.
3.5 Properties of Parallel Lines
Corresponding Angles Postulate 2 1 If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
Corresponding Angles Postulate 2 1 If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
Alternate Interior Angles Theorem 2 1 If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.
Consecutive Interior Angles Theorem 2 1 If two parallel lines are cut by a transversal, then the pairs of consecutive interior angles are supplementary.
3.5 Properties of Parallel Lines
Alternate Exterior Angles Theorem 2 1 If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent.
Perpendicular Transversal Theorem If a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the second.
3.5 Properties of Parallel Lines QED