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7 November, 09:11

What's the diameter of a circle with a circumference of 48 millimeters

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  1. 7 November, 11:11
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    Since we are given circumference, we think the formula for the circumference, which is 2 (pi) r or (pi) d where r and d is the radius and diameter respectively. the smarter formula of the 2 is (pi) d because it's d we want to find. setting up our equation:

    circumference = (pi) d

    48 = (pi) d

    dividing both sides by pi gives:

    d = 15.29 millimeters

    let me know if you have any questions!
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