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March 25, 2017

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if i am given the are and the minor ellipse... how do i find the major ellipse?

is there any formula...plz help

  • math - ,

    for a circle area = pi r^2
    for an ellipse area = pi (minor half length*major half length)
    notice that if the major equals the minor, the ellipse is a circle and the formulas are the same.

  • math - ,

    I assume you mean the minor and major AXIS of the ellipse.

    Let a be half the major axis and b be half the minor axis.

    The area of the ellipse is
    A = pi*a*b

    Since you know A and b, you can solve for a.

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