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20 August, 11:56

If the length of an arc is 12 pi inches and the radius of the circle is 10 inches, what is the measure of the arc?

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  1. 20 August, 12:24
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    Central angle (radians) = arc length / radius

    central angle (radians) = 12*PI / 10

    central angle (radians) = 6*PI / 5

    central angle = 216 degrees
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