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math

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A bicycle wheel of diameter 26 inches is rolled through an angle of 720 degrees. how far has the wheel moved?

  • math -

    Diameter =26"
    radius,r = 26"/2 = 13"
    Angle = 2πr / turn
    Distance = circumference for 2 turns
    =2*2πr
    =4πr

  • math -

    52

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