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Math

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The paper cup would not roll straight. One end was 7cm in diameter, and the other end was 5 cm in diameter. In one roll of the cup, how far would the larger end roll? Use 3.14 for pie

  • Math -

    What you are doing here is comparing the circumference , the distance which is rolled

    bottom of cup: radius = 5 cm, so the circumference is
    2πr = 10π
    top of cup: radius = 7 cm, so the circumference is
    14π or appr 43.96 cm

  • Math -

    How far would the lager end roll

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