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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
Warm Up

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

  • 2.10 Warm Up

  • Be prepared to discuss


Review
Review

  • What are parallel lines?

  • Intersecting lines?

  • Skew lines?

Turn to 3.1 Notables in your pack


Transversal
Transversal

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


Transversal1
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
Special Angles

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


Identifying angles
Identifying Angles

Alternative Angles:

Same-Side Angles:

Corresponding Angles:


Vocabulary
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



Class work
Class work

  • Handout


Homework
Homework

  • Glencoe Skills Practice 3-1 Worksheet

  • In your pack