martavisw martavisw
  • 13-06-2017
  • Mathematics
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The formula for the circumference of a circle is C = 2r, where r is the radius and C is the circumference. The equation solved for r is r = .

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Аноним Аноним
  • 13-06-2017
No. The formula for the circumference is C =  2 pi r   where pi is approximately 3.14

solving for r  gives r = C / 2pi
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