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Geometry: Circumference, Arc Lengths, and Circle Measures Quiz Prep

Practice calculating measures of various angles and arcs in circles using given diameters and angles. Learn the formula for arc length, explore congruent circles and arcs, and get ready for a quiz covering sections 11.1-11.3. Includes class work exercises on pages 605-606.

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Geometry: Circumference, Arc Lengths, and Circle Measures Quiz Prep

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  1. Bell Ringer 5/20/10 PS and TR are diameters. Find the measure of each. • m TS • m PQ • m TPQ • m TQR • m TRQ • m SRQ • 100 • 70 • 150 • 180 • 210 • 110

  2. A ° 72 B 2 cm C Arc Length Arc length is the distance around an arc. Formula: The circumference multiplied by the ratio of the center angle and 360°. Example: Arc Length

  3. Congruent circles : have same radius • Congruent arcs: have the same measure

  4. Find the arc length of AB.

  5. Quiz Monday or Tuesday 11.1-11.3 • Class Work Pg. 605-606 #30-39, 47-52

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