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19 November, 07:39

5. Find the length of the arc made by an angle of 120° on a circle with radius 12

inches.

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Answers (1)
  1. 19 November, 07:58
    0
    25.43inches

    Step-by-step explanation:

    Length of arc = 120 / 360. * 2 * pi * r

    = 1 / 3 * 2 * 22 / 7 * 12 = 178 / 7 = 25.43inches

    Note : 2pi * r = length of a circle.
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