Aim:. B. D. 2). 1). B. D. (. (. 95 . 85 . A. C. A. E. C. E. 3). A. C. 4). ). C. D. ). B. D. A. B. What are the properties of parallel lines?. Do Now:. l. m. 4. 8. Theorem #15:. 3. k. 7. 2.
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What are the properties of parallel lines?
Corresponding angles formed by a transversal and two parallel lines are congruent.
Alternate interior angles formed by a transversal and two parallel lines are congruent.
If parallel lines are cut by a transversal, then two interior angles on the same side of the transversal are supplementary.
If a line is perpendicular to one of two parallel lines, it is perpendicular to the other.Properties of parallel lines
Geometry Lesson: Properties of Parallel Lines