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11 February, 15:29

a circle has an arc of length 48pi that is intercepted by a central angle of 120°. what is the radius of the circle?

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Answers (2)
  1. 11 February, 16:44
    0
    72 units.

    Step-by-step explanation:

    arc length = r * C where r = radius and C is the angle in radians, so

    48pi = r * (120 * pi / 180)

    48 = 120r/180

    120r = 48 * 180

    r = 48 * 180/120

    r = 72 units.
  2. 11 February, 19:26
    0
    60 degree
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