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13 July, 12:46

The circumference of a circle is 19πinches. find the radius. c=2πr

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Answers (2)
  1. 13 July, 13:56
    0
    Hello:

    c=2πr

    19 = 2 π r

    r = 19 / 2 π

    r = 19 / (2*3.14) = 19/6.28

    r = 3.03 nches
  2. 13 July, 15:26
    0
    9.5 19:2=9.5 since the radius is half of diameter
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