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29 June, 07:55

A circle has a diameter of 20 mm what is it's circumference? Use 3.14 for pi and do not round your answer

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Answers (2)
  1. 29 June, 07:57
    0
    94.2

    Step-by-step explanation:

    circumference is d (pi)

    20 (3.14) = 94.2
  2. 29 June, 08:03
    0
    The circumference of the circle is 62.8 mm.

    Step-by-step explanation:

    We must first know the formula for finding the circumference.

    C = dπ

    Let's plug in our diameter. We will use 3.14 for pi.

    C = (20) (3.14)

    Multiply the numbers together.

    C = 62.8

    So, the circumference of a circle with a diameter of 20 mm is 62.8 mm.
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