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24 October, 13:29

A wheel has a radius of 15 cm. Approximately how far does it travel in 4 revolutions?

47.1 cm

94.2 cm

188.4 cm

376.8 cm

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Answers (1)
  1. 24 October, 16:19
    0
    Radius is 15 cm

    Circumference = 2 pi r

    C = 2 x 3.14 x 15cm

    C = 94.2 cm

    94.2 cm x 4 (revolutions) = 376.8 = D
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