Warm Up

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# Warm Up - PowerPoint PPT Presentation

Warm Up . Last chance to turn in HW Stamp Sheet for last week. 2.10 Warm Up Be prepared to discuss. Review . What are parallel lines? Intersecting lines? Skew lines?. Turn to 3.1 Notables in your pack. Transversal.

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Presentation Transcript
Warm Up
• Last chance to turn in HW Stamp Sheet for last week.
• 2.10 Warm Up
• Be prepared to discuss
Review
• What are parallel lines?
• Intersecting lines?
• Skew lines?

Turn to 3.1 Notables in your pack

Transversal
• Definition: A transversal is a line that intersects two coplanar lines at two distinct points.
Transversal
• A transversal forms eight angles. The diagram below shows the eight angles formed by a transversal t and two lines l and m.
Special Angles

Pairs of the eight angles have special names as suggested by their positions

Identifying Angles

Alternative Angles:

Same-Side Angles:

Corresponding Angles:

Vocabulary
• Transversal- a line that cuts across two or more lines
• Corresponding angles- at the same location at each intersection
• alternate interior angles – inside the lines and on opposite sides of the transversal
• alternate exteriorangles- outside the lines and on opposite sides of the transversal
• consecutive interior angles/same side interior angles- two angles on the inside of the lines on the same side of the transversal
Homework
• Glencoe Skills Practice 3-1 Worksheet