Parallel and Perpendicular Lines

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Chapter 3

• Parallel and Perpendicular Lines

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3-1 Parallel Lines and Transversals

• In this section we will identify the
  relationships between two lines or two planes.
• We will name angles that are formed by a pair of
  lines and a transversal.

3
Vocabulary

• Parallel Lines
• Coplanar lines that do not intersect.
• Parallel Planes
• Two planes that do not intersect.

4
Vocabulary

• Skew Lines
• Are not parallel
• Do not intersect
• Do not line in the same plane.

5
Vocabulary

• Transversal
• A line that intersects two or more lines in a
  plane at different points.

Transversal
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Identifying Angles!
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Exterior Angles
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Interior Angles
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Consecutive Interior Angles
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Alternate Exterior Angles
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Alternate Interior Angles
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Corresponding Angles