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Circle formulae

Circle formulae

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Some circle formulae with simple calculator

  1. Circumference L=2 \pi R
  2. Area of a circle S=\pi R^2
  3. Area of a sector S=\frac{\alpha R^2}{2}, where alpha - sector angle in radians
    PLANETCALC, Circle formulae

    Circle formulae

    Digits after the decimal point: 2
    Area of the circle
     
    Area of the sector
     
    Circumference
     

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Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Circle formulae

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