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anonymous

  • 5 years ago

How do you find the circumference of a circle

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  1. shadowfiend
    • 5 years ago
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    The circumference of a circle given the radius is defined as \(2\pi r\).

  2. anonymous
    • 5 years ago
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    ok. in the circle there is 5cm. How do I figure this

  3. shadowfiend
    • 5 years ago
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    If 5cm is the radius, then you multiply it by \(2\pi\). If it is the diameter, then the radius is 1/2 of that number.

  4. anonymous
    • 5 years ago
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    so the answer would be 15.7

  5. shadowfiend
    • 5 years ago
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    Sounds right :)

  6. anonymous
    • 5 years ago
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    thanks! you are the bomb diggity

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