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6 May, 07:02

What is the diameter and radius of a circle with a circumference of 28π m?

d = 28 m

r = 14 m

d = 14 m

r = 28 m

d = 14 m

r = 7 m

d = 7 m

r = 14 m

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Answers (1)
  1. 6 May, 08:49
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    C=2pir=pid

    given

    c=28pi

    28pi=2pir=pid

    divide everybody by pi

    28=2r=d

    28=d

    28=2r

    divide 2

    14=r

    d=28 m

    first option

    r=14 m
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