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10 October, 15:27

17. What's the circumference of a circle with a diameter of 30 centimeters?

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Answers (2)
  1. 10 October, 15:55
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    30 multiplied by 3.14
  2. 10 October, 16:04
    0
    Circumference of circle = 2πr

    Where r=radius

    2r=d

    d=diameter

    So, 2πr=πd

    Note, π = 227

    In this statement, c=ci rcumference

    →c=πd

    →c=π (30)

    →c=π30 = 227 (30)

    →c = 6607 = 94.28 ...

    Circumference is 94.28 ... cm s
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