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28 May, 10:25

Find the circumference of a circle with an area of 676 pie square millimeters

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Answers (2)
  1. 28 May, 12:05
    0
    A=pir^2

    c=2pir

    676pi=a

    676pi=pir^2

    divide both sides by pi

    676=r^2

    sqrt both sides

    26=r

    sub back

    c=2pir

    c=2pi26

    c=52pi mm
  2. 28 May, 13:30
    0
    I think the answer is 52pi millimeters
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