G6MU - Investigation Special Angles on Parallel Lines
Investigation #1
Use this figure for Investigation #1
Observation
Which of the following statements is always true about corresponding pairs of angles, like and ?
Which of the following statements is always true about alternate exterior pairs of angles, like and ?
Which of the following statements is always true about alternate interior pairs of angles, like and ?
Which of the following statements is always true about same side interior pairs of angles, like and ?
Which of the following statements is always true about same side exterior pairs of angles, like and ?
C-3 Parallel Lines Conjecture
If two parallel lines are cut by a transversal, then corresponding angles are _____, alternate interior angles are _____, and alternate exterior angles are _____.
C-4 Converse of the Parallel Lines Conjecture
If two lines are cut by a transversal to form pairs of congruent corresponding angles, congruent alternate interior angles, or congruent alternate exterior angles, then the lines are _____.