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14 June, 22:56

The tip of an 11-inch wiper blade wipes a path that is 31 inches long. What is the angle of rotation of the blade in radians to the nearest tenth?

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Answers (2)
  1. 14 June, 23:40
    0
    Length of arc = Cr where C = angle of rotation and r = radius

    31 = C*11

    C = 31/11 = 2.8 radians to nearest tenth
  2. 15 June, 02:27
    0
    2.8 radians is the answer.
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