2. Chapter 3 Section 3.1 Lines and Angles

3. Relationships between lines Parallel –Coplanar lines that never intersect –Planes can also be parallel Skew –Non-coplanar lines that never intersect Perpendicular –Lines that intersect to form a 90° angle

4. Think of Each Segment in the Diagram As Part of a Line. Fill in the Blank With Parallel, Skew, or Perpendicular. 1.Perpendicular 2.Parallel 3.Skew 4. Parallel 5. Perpendicular

5. 6. Name a line parallel to 7. Name a line perpendicular to 8. Name a line skew to 9. Name a plane parallel to GHJ LMN 10. Name a line perpendicular to

6. Parallel and Perpendicular Lines Click on book to access online learning activity.

8. 1 2 3 4 5 6 7 8 Corresponding Angles:  1 and  7,  2 and  8,  4 and  5,  2 and  8 Alternate Interior:  7 and  6,  5 and  8 Alternate Exterior:  4 and  2,  3 and  1 Consecutive Interior:  7 and  5,  6 and  8

9. Complete the Statement With Corresponding, Alternate Interior, Alternate Exterior, or Consecutive Interior 11.  6 and  10 are __________ angles 12.  7 and  9 are __________ angles 13.  8 and  9 are __________ angles 14.  12 and  8 are __________ angles 15.  5 and  11 are __________ angles 16.  8 and  10 are __________ angles corresponding alternate interior consecutive interior corresponding alternate exterior alternate interior