I can prove the following theorems about lines and angles When a transversal crosses parallel lines alternate interior angles are congruent and corresponding angles are congruent 1 Assume mz2 35 Find the measure of all of the other angles in the figure given line I and line p are parallel Lesson 4 2 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint below Complete the Lesson Reflection above by circling your current understanding of the Learning Goal m21 m24 m26 m28 70 Getting there mz3 m25 m27 27x 2 Got it 2 Identify the relationship between the two angles shown below Corresponding Alternate Interior or Same Side Angles Then solve for x