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Angle Measures Day Two

Angle Measures Day Two. Do Now:. m<ROT= 120 Find m<ROS and m<SOT. Review of Yesterday. What are congruent angles? What does the angle addition postulate say? What is an obtuse angle? Right angle? Acute angle? Straight angle? What does it mean to bisect something?. Protractors.

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Angle Measures Day Two

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  1. Angle Measures Day Two

  2. Do Now: m<ROT= 120 Find m<ROS and m<SOT

  3. Review of Yesterday • What are congruent angles? • What does the angle addition postulate say? • What is an obtuse angle? Right angle? Acute angle? Straight angle? • What does it mean to bisect something?

  4. Protractors • Steps to measuring an angle: • Line up the vertex with the center point of the protractor. • Line up the zero line on the protractor with one side of the angle. • Extend the other side of the angle using a ruler or straight edge if needed. • Wherever the other side of the angle hits the protractor is the measure of your angle!

  5. Example from yesterday

  6. Practice Problems • Try some on your own or in table groups. • Protractors MAY have to be shared!

  7. Exit Ticket • Charlie claims that the angle below is 80 degrees. Is he correct? Why or why not?

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