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Math Help - Perimeter of a ellipse

  1. #1
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    Question Perimeter of a ellipse

    Please help...
    I want the easisest method to find the perimeter of a ellipse.
    I am a 9 th standard student and don't know calculus and other higher standard topics....


    Thank you...
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  2. #2
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    Quote Originally Posted by anshulbshah View Post
    Please help...
    I want the easisest method to find the perimeter of a ellipse.
    I am a 9 th standard student and don't know calculus and other higher standard topics....


    Thank you...
    Read these:
    Perimeter of Ellipse

    Math Forum: Ask Dr. Math FAQ: Circumference of an Ellipse

    But given what you've said, maybe the best way is to use a piece of string.
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  3. #3
    Senior Member pacman's Avatar
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    A good approximation is Ramanujan's:
    or better approximation:
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  4. #4
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    Quote Originally Posted by pacman View Post


    A good approximation is Ramanujan's:
    or better approximation:
    @ pacman
    What software/program are you using to create such detailed (beautiful) images?
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  5. #5
    Senior Member pacman's Avatar
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    aidan, i'm sorry but i just copy pasted it(sketch) directly from the NET . . . . i don't even try using the LATEX yet, much more with software programs that plot or draw. . . . i make good use of the NET, where young students don't bother to check, i'm just trying to be helpful to them . . . .
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