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Arc Length

Arc Length. Objective: Find the length of an arc of a circle. Arc Length: Distance traveled along circumference. The tip of which hand travels farther: the minute or the hour?. What is the measure of an arc?. What is the measure of the arc for the clock?.

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Arc Length

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  1. Arc Length Objective: Find the length of an arc of a circle

  2. Arc Length: Distance traveled along circumference The tip of which hand travels farther:the minute or the hour? What is the measure of an arc? What is the measure of the arc for the clock? Degree measure of the central angle. A B

  3. B D E G A H C 1200 F AB = HF = CED = What fraction of the circle does the arc cover?

  4. 12m B 36ft G A H 1400 F AB = HF = Calculating Arc Length Arc Length Conjecture The length of an arc equals_____________________________________________. the fraction of the circle times the circumference Arc Length Arc Length

  5. G H 1200 F AB = HGF = Examples Find the radius if the length of arc HGF is 116π B A Pg 343 #1-11, 15 600 Find the length of arc AB if the radius is 24cm Arc Length

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