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22 July, 22:53

A circle has a diameter of 4 cm. What is the circumference

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Answers (2)
  1. 23 July, 01:52
    0
    To find the circumference of a circle you would need to use the formula 2πr.

    Since the diameter is twice the radius ...

    (Assuming that π = 3.14)

    2 * 3.14 * (4 / 2)

    2 * 3.14 * 2

    6.28 * 2

    = 12.56 cm
  2. 23 July, 02:36
    0
    Answer: 25.13cm is the circumference of the diameter of 4cm.
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