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27 August, 07:45

The diameter of circle measure 18mm. what is the circumference of the circle?

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Answers (2)
  1. 27 August, 08:15
    0
    18π mm

    Step-by-step explanation:

    C=2πr

    d=2r, 18=2r, r=9

    C=18π mm
  2. 27 August, 10:23
    0
    56.52 mm

    The formula of the circumference of a circle is 2pi*r since diameter is the radius * 2 we'll divide 18 by 2 to get the radius which is 9. Now we'll multiply 9 by pi which is 3.14 and we'll get 28.26 and how multiply by 2 which is 56.52
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