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08-06-2017
Mathematics

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What is the radius of a circle in which a 30° arc is 2 inches long?

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mreijepatmat mreijepatmat

08-06-2017

arc length = (Ф°/360°) x 2π.R

2 = (30°/360°) x 2π.R

OR R =12/π in = 3.82 in

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