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7 August, 16:35

The diameter of a circle is 20 miles. What is the circumference?

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Answers (2)
  1. 7 August, 16:52
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    The circumference of the circle having 20 ft diameter is 62.857 ft.
  2. 7 August, 16:58
    0
    circumference = 20π miles (or ≈ 62.83 miles)

    Step-by-step explanation:

    The formula for the circumference of a circle is:

    circumference = 2πr OR circumference = dπ

    Since you are given the diameter, input that into the formula and the answer will be:

    circumference = 20π

    If you need to get rid of the π, the answer is about 62.83
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