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Chapter 3 Section 3.1

Chapter 3 Section 3.1. Lines and Angles. 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.

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Chapter 3 Section 3.1

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  1. Chapter 3Section 3.1 Lines and Angles

  2. 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

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

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

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

  6. 1 2 5 6 7 8 4 3 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

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

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