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What is the arc length of a circle that has a 7 cm radius in central angle that is 40° use 3.14 for pie and round your answer to the nearest hundredth
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What is the arc length of a circle that has a 7 cm radius in central angle that is 40° use 3.14 for pie and round your answer to the nearest hundredth

User Erik Blomgren
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Find the circumference of the circle : (2)(pi)(r) = 2(3.14)(7) = 43.96 cm
Find what fraction of the circle the central angle is : 40/360 = 1/9
Find the arc length : 1/9(43.96) = 4.88 cm
User Padhu
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