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Warm Up

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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Warm Up

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  1. Warm Up • Last chance to turn in HW Stamp Sheet for last week. • 2.10 Warm Up • Be prepared to discuss

  2. Review • What are parallel lines? • Intersecting lines? • Skew lines? Turn to 3.1 Notables in your pack

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

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

  5. Special Angles Pairs of the eight angles have special names as suggested by their positions

  6. Identifying Angles Alternative Angles: Same-Side Angles: Corresponding Angles:

  7. 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

  8. Now lets label using this picture… 2 1 3 4 5 6 7 8

  9. Class work • Handout

  10. Homework • Glencoe Skills Practice 3-1 Worksheet • In your pack

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