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2.6 Angles In Quadrilaterals
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2.6 Angles In Quadrilaterals

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  • 1. Angles in a quadrilateral!
    Find the sum!
    11/10/09
  • 2. Review
    No warmup today
    Go over triangle page if assigned
  • 3. Review
    How many angles are in a triangle?
    3
  • 4. Review
    What is the sum of all the angles in a triangle?
    180
  • 5. Review
    How do you know?
    1) angle tear
    2) measured them
  • 6. EQ:
    What is the sum of the interior angles in a quadrilateral?
  • 7. Hand out chart, protractors, cards, quadrilaterals.
    Glue chart into notebooks.
  • 8. Measure #1 together on overhead.
    Record
    Add angles up
  • 9. What do we get?
    360
    What do you predict the others will be?
  • 10. EQ:
    What is the sum of the interior angles in a quadrilateral?