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  • What't the formula for working out a circle's diameter from its area?
  • CaptJon
    Free Member

    anyone?

    Posted 14 years ago
    KevinPP
    Free Member

    Pi(3.142???) x radius squared.

    Posted 14 years ago
    theotherjonv
    Full Member

    area = pi x r^2

    => r^2 = area / pi

    => r = sqrt(area / pi)

    => diam = 2r = 2 x sqrt(area/pi)

    Posted 14 years ago
    CaptJon
    Free Member

    cheers jonv

    Posted 14 years ago
    saladdodger
    Free Member

    aera / pie = r(sq)

    Sq root of r(sq)= radius

    Radius x 2 = diameter

    Posted 14 years ago
    saladdodger
    Free Member

    Yah not bad for a bloke who left school 32 years ago 😀

    Posted 14 years ago
    peasnotwar
    Free Member

    Diameter squared x .7854 ish

    Posted 14 years ago
    peasnotwar
    Free Member

    ooops misread the question….. DOH!

    Posted 14 years ago
Viewing 8 posts - 1 through 8 (of 8 total)

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