Section 3 1 Properties of Parallel Lines Warm

Section 3 -1: Properties of Parallel Lines Warm Up Name a pair of complementary angles 4 5 1 3 Same Side Interior Angles Name a pair of supplementary angles 2 Transversal On parallel lines, corresponding angles are__________ Definition: Same Side Exterior Angles Alternate Interior Angles On parallel lines, same side interior angles are__________ Corresponding Angles On parallel lines, alternate interior angles are__________ Alternate Exterior Angles On parallel lines, same side exterior angles are__________ This is the symbol that lets us know that lines are parallel to each other. On parallel lines, alternate exterior angles are__________

What kind of angles are <1 & <2? 1. 2 1 2 3. 4. 1 1 1 5. 1 6. 2 2 7. 1 2 2 1 2 Identify each pair of angles. 1 3 8 7 6 2 5 4 1. < 1 & < 2 ___________ 2. < 2 & < 3 ___________ 3. < 3 & < 4 ___________ 4. < 4 & < 5 ___________ 5. < 5 & < 6 ___________ 6. < 4 & < 7 ___________ 7. < 3 & < 5 ___________ 8. < 5 & < 8 ___________ Find the value of <1 & <2. 1. 2. 1 103° 2 3. 42° 1 2 5. 4. 111° 1 97° 1 43° 2 52° 2 1 47° Solve for x. 1. 7 x-9 4 x+21 2. 2 4. 3. 22 x+17 8 x+13 5 x+16 7 x+20 9 x+25 15 x-11