Section 3.1: Lines and Angles

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Section 3.1 Lines and Angles
Goals

• Identify relationships between lines
• Identify angles formed by transversals

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Relationships Between Lines

• Parallel Lines
• Skew Lines
• Parallel Planes

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Parallel and Perpendicular Postulates

• Postulate 13- Parallel Postulate

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• Postulate 14 Perpendicular Postulate

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Identifying Angles Formed by Transversals

• Transversal

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Angles formed by transversals

• Alternate Interior Angles
• Alternate Exterior Angles

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• Corresponding Angles
• Consecutive Interior Angles