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Math Help - length of an arc.

  1. #1
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    length of an arc.

    How to find the length of an arc without using a circle?
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  2. #2
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    Re: length of an arc.

    Quote Originally Posted by hisajesh View Post
    How to find the length of an arc without using a circle?
    Unless you can expand on that post giving an actual problem in exact form, then your posting is nonsense.
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  3. #3
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    Re: length of an arc.

    Quote Originally Posted by hisajesh View Post
    How to find the length of an arc without using a circle?
    If the arc is mapped by a differentiable function f(x) from a to b, then arc length is $\displaystyle \int_a^b \sqrt{1+(f'(x))^2}dx$
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    Re: length of an arc.

    @Plato: How do you measure the size of a rainbow?
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