Parallel and Perpendicular Lines

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Presentation transcript:

Parallel and Perpendicular Lines Chapter 3 Parallel and Perpendicular Lines

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.

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

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

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

Identifying Angles! 1 2 3 4 5 6 7 8

Exterior Angles 1 2 3 4 5 6 7 8

Interior Angles 1 2 3 4 5 6 7 8

Consecutive Interior Angles 1 2 3 4 5 6 7 8

Alternate Exterior Angles 1 2 3 4 5 6 7 8

Alternate Interior Angles 1 2 3 4 5 6 7 8

Corresponding Angles 1 2 3 4 5 6 7 8