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Understanding Angles and Congruency: Exploring Vertical and Adjacent Angles

Learn about vertical angles, adjacent angles, and how to find the measures of these angles using the Vertical Angles Theorem. Practice identifying and solving missing angle problems using algebra. Complete the assigned worksheet for homework.

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Understanding Angles and Congruency: Exploring Vertical and Adjacent Angles

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  1. Warm-Up • Define: • Straight Angle • Complementary Angles • Supplementary Angles

  2. 2.5 Proving Angles Congruent 10/15

  3. Learning Target • I can use the Vertical Angles Theorem to find measures of Vertical angles

  4. Vertical Angles: two angles whose sides are opposite rays (angles across from eachother). Vertical Angles are congruent.

  5. Adjacent Angles: two angles with a common side and a common vertex. (angles next to each other

  6. In this section, you need to pay attention to the markings (congruency marks). Don’t forget what supplementary and complementary mean.

  7. Name the angles that are:

  8. Find the measure of the angles

  9. Use algebra to find missing angles

  10. In your groups, try

  11. In your groups, try

  12. Homework • 2-5 Worksheet #1-12

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