3-1: Parallel Lines and Transversals

3-1: Parallel Lines and Transversals

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Parallel Lines

coplanar lines that do not intersect

Skew Lines

lines that do not intersect and are not coplanar

Parallel Planes

planes that do not intersect

Transversal

a line that intersects two or more coplanar lines at two different points

transversal line t

Interior Angles

Exterior Angles

Consecutive Interior Angles

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Multiple Choice

Two lines going the exact same way and will never intersect

• Alternate exterior angles
• Parallel lines
• Alternate interior angles
• Vertical lines

Multiple Choice

Which is not an example of parallel lines?

Multiple Choice

Name the angle relationship.

• Alternate Interior

• Alternate Exterior

• Corresponding

• Vertical Angles

Multiple Choice

Angles on the same side of a transversal, in corresponding positions, and are congruent are called _____.

• Vertical angles
• Corresponding Angles
• Supplementary Angles
• Alternate Interior Angles

Multiple Choice

Angle S and A are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Multiple Choice

Angle C and P are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Multiple Choice

Name the corresponding angle to angle 4.

• angle 8

• angle 6

• angle 2

• angle 5

Open Ended

A line segment that is parallel to segment JP

Multiple Choice

In the diagram, which of the following statements are false?

• ∠1 and ∠4 are vertical angles
• ∠4 and ∠5 are alternate interior angles
• ∠1 and ∠8 are alternate interior angles
• ∠2 and ∠6 are corresponding angles