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The question is...find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. Then it gives the radius r of 27 inches and an arc length s of 6 inches. How do I do that?

  • precalculus -

    you should have come across the formula
    arc length = r(theta), where theta is the central angle

    6 = 27theta
    theta = 6/27 radians
    = 2/9 rad

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