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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

• Last chance to turn in HW Stamp Sheet for last week.

• 2.10 Warm Up

• Be prepared to discuss

• What are parallel lines?

• Intersecting lines?

• Skew lines?

Turn to 3.1 Notables in your pack

• Definition: A transversal is a line that intersects two coplanar lines at two distinct points.

• A transversal forms eight angles. The diagram below shows the eight angles formed by a transversal t and two lines l and m.

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

Alternative Angles:

Same-Side Angles:

Corresponding Angles:

• 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

• Handout

• Glencoe Skills Practice 3-1 Worksheet