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Activity Discussion Math Circle Reply To: Circle

  • Saloni

    Member
    June 23, 2023 at 4:50 pm
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    Circumference of a circle is given by: P=2*pi*radius

    Area of a circle is given by: A=pi*radius^2

    Given, area of the circle A=616 cm sq.

    i.e. pi*radius^2=616

    => radius^2=196.078

    => radius=14 cm

    Therefore,

    Circumference=2*pi*14

    =87.96 cm

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