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23 July, 01:07

What is the diameter of a circle if the circumference is 30

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Answers (2)
  1. 23 July, 01:17
    0
    The Circumference formula for a circle is C=2 (pi) r

    30 = Circum.

    Pi=3.14

    and the radius times two is the diameter.

    So it should look like this

    30=d (3.14)

    Divide pi by both sides

    and the Diameter equals around 9.55
  2. 23 July, 03:23
    0
    2*pie*r = 30

    r = 4.7746

    d = r*2

    d = 9.55
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