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OpenStudy (anonymous):
Does any one know what formula to use for this ? :) What is the arc length of a circle that has a 7-centimeter radius and a central angle that is 40 degrees? Use 3.14 for π and round your answer to the nearest hundredth.
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OpenStudy (midhun.madhu1987):
Arc Length = Radius * Central Angle
OpenStudy (anonymous):
How would you use pi then?
OpenStudy (midhun.madhu1987):
With this equation you can find it....maybe we need to conver the angle from Degree to radians.. in that case, you need to use pi.
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