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10 September, 02:27

An arc of a circle measures 30 centimeters and the radius measures 10 centimeters. in radians, what is the measure of the central angle that subtends the arc?

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Answers (2)
  1. 10 September, 03:13
    0
    Length 0f an arc = r*theta where r = radius and theta is the angle in radians

    30 = 10 * theta

    theta = 3 radians

    angle subtended at centre = 3 * 180 / pi = 171.9 degrees to nearest thenth
  2. 10 September, 05:43
    0
    The answer to this is 3rad.
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