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@ 2012 Alberta Education Mathematics 30-1: Module 4 6 E 5. If a represents the length of an arc of a circle with radius r,

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@ 2012 Alberta Education Mathematics 30-1: Module 4 6 E 5. If a represents the length of an arc of a circle with radius r, subtended by a central angle of determine the missing quantity. Give your answer to the nearest tenth of a unit. a. r=8.7cm, 0 = 75 , a = ?cm (2 marks) b. r =?mm, 0 =1.8, a =4.7mm (2 marks) c. r =5m,a =13m, 0 =? (2 marks) 2012 Alberta Education

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