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heatjack13

The circumference of a circle is 50.24 centimeters. Find the radius of the circle. (Use 3.14 for π.)

  • one year ago
  • one year ago

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    circumference of circle \[= \Pi r ^{2}\] you are given the circumference , pi is given so only one unknown parameter you can calculate \[r = \sqrt{\frac{ c }{ \Pi }} \] where c is the circumference I took only the +ve vale for the square root as it is radius "length" so it can't be a negative value

    • one year ago
  2. heatjack13
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    its one of these ansers

    • one year ago
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    8 cm 16 cm 4 cm 2 cm

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    it will be \[\sqrt{\frac{ 50.24 }{ 3 }} = 4 cm\]

    • one year ago
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    sorry 3.14

    • one year ago
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    thank you

    • one year ago
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    urw :)

    • one year ago
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