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Transcript

  • 1. 10.1 Angles 10.3 Angle Relationships 1—Measure angles 2—Identify and apply angle relationships
  • 2. Sort
    • Sort the pictures into 4 categories and name each type of angle.
  • 3. Angles
  • 4. Concept Map
    • Pick one type of angle and complete a concept map for it.
    • Give the definition, draw a picture, and tell where you would find it in the real world.
  • 5. Measuring and constructing angles
    • What do you use to measure a line?
    • What do you use to measure an angle?
  • 6. Video
    • Measuring acute angles video (time 1:10)
    • Measure the 4 angles on your paper.
  • 7. Drawing angles---Draw .
    • Draw a ray with a measure of 75 °.
    • Place the center point of a protractor on A. Align the ray with 0°.
    • Use the scale that begins with 0°. Locate the mark labeled 75. Then draw the other side of the angle.
  • 8. 10-3 Angle Relationships
    • Video
    • Handout page 8
    • Write a definition for adjacent and vertical angles. Then draw a picture of both.
  • 9. Complementary Angles
  • 10. Supplementary Angles
  • 11. Classify as complementary or supplementary
    • http://www.321know.com/geo-comp-or-sup.htm
  • 12. Page 423
    • Example 3
    • Your turn a, b
    • Example 4
    • Handout page 10
  • 13. Quadrant Card List 4 types of angles with picture (from beginning of lesson) Definition and picture of Vertical angles Definition and picture of Supplementary angles Definition and picture of Complementary angles
  • 14. Homework
    • page 414: 8-17 (don’t draw, just classify)
    • and page 424: 1-22