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    lovedale's Avatar
    lovedale Posts: 1, Reputation: 1
    New Member

    Aug 21, 2008, 04:29 AM
    Converting Slope arc Length to Flat Arc Length

    Given parameters are:-

    Slope arc length

    Angle on Slope

    Arc radius

    Is there any way to calculate flat arc length?

    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member

    Aug 21, 2008, 01:25 PM
    What do you mean by 'flat' arc length? Were you meaning to list some data?

    Arc length is given by .

    Where r is the radius of the circle and is the central angle.

    Where is in radians.

    Of course, s is the arc length.

    For instance, suppose you had a radius of 1000 feet and a central angle of radians (which is equal to 30 degrees).

    Then, the arc length is

    There is also a more complicated formula using calculus. I can give you that if you wish.

    If this is not what you meant, please be more specific with an example.

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