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Quick Review of Parallel, Perpendicular, and Skew Parallel Lines: Do not intersect, coplanar Skew Lines: Do not intersect, not coplanar Perpendicular Lines: Intersect at right angle Sep 165:40 AM DO NOW: Aug 249:55 PM 1 What is a Transversal? A line that intersects two or more coplanar lines at different points. For a transversal passing through two lines, how many distinct angles are formed? Sep 208:06 AM Angles Formed by Transversals (No. 1) Two angles are corresponding angles if they have corresponding positions. Sep 208:06 AM 2 Angles Formed by Transversals (No. 2) Two angles are alternate interior angles if they lie between the two lines and on opposite sides of the transversal. Sep 208:06 AM Angles Formed by Transversals (No. 3) Two angles are alternate exterior angles if they lie outside the two lines and on opposite sides of the transversal. Sep 208:06 AM 3 Angles Formed by Transversals (No. 4) Two angles are consecutive interior angles if they lie between the two lines and on the same side of the transversal. Sep 208:06 AM Exploring Parallel Lines Sep 208:06 AM 4 Angle Relationships Corresponding Angles Congruent Congruent Consecutive Interior Angles Supp. Alternate Interior Angles Alternate Exterior Angles Congruent Sep 208:06 AM Find x!!!!!! Sep 208:06 AM 5 Let's Try Another Sep 208:06 AM One More :) Sep 208:06 AM 6 Practice: 3.1 WKBK pg 44 #11‐16 3.2 WKBK pg 47 #11‐22 Sep 811:43 PM 7

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