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2-13-13 Angle Relationships, Measuring Angles, Classifying Triangles

2-13-13 Angle Relationships, Measuring Angles, Classifying Triangles Essential Questions: How do you use a protractor to measure angles? How do you classify triangles? . 7-2. Angles. The measure of XYZ is 122 ° , or m XYZ = 122 ° . Course 2.

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2-13-13 Angle Relationships, Measuring Angles, Classifying Triangles

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  1. 2-13-13 Angle Relationships, Measuring Angles, Classifying Triangles Essential Questions: How do you use a protractor to measure angles? How do you classify triangles?

  2. 7-2 Angles The measure of XYZ is 122°, or m XYZ = 122°. Course 2 Angles are measured in degrees (°). You can use a protractor to measure an angle.

  3. 7-2 Angles STV m STV = 55° A. XTU B. m XTU = 25° Course 2 Additional Example 1A & 1B: Identifying Angle Measures Give the measurement of each angle.

  4. HOW TO USE A PROTRACTOR http://www.youtube.com/watch?v=FeclDm7pVcI

  5. Using a protractor, draw the following angles and label them with the given letter. 125⁰ 30⁰ 165⁰ A right angle

  6. COMPLETE HANDOUT “PRACTICE MEASURING ANGLES”

  7. EXIT TICKET

  8. If you draw three lines that all share a common point of intersection, how many Different pairs of vertical angles are formed?

  9. Summary: Name two new things you have learned about angles. Homework: Finish Handouts and Vocabulary cards; Work on WBW #1; Quiz on vocabulary moved to next week because so many people will be out on Friday for Job Shadow.

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