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Math Help - Polygon Formulas

  1. #1
    VAP
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    Polygon Formulas

    Hello,
    I have a list of seven formulas to learn, but am stumped by three of them. Would someone kindly tell me what they are the formulas for?

    (n-2) 180/n = angle

    (n-2) 180/angle = n

    360/angle = n

    Thank you!
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  2. #2
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    Hello

    (n-2) 180/n = interior angle
    The interior angle of a regular polygon with n sides

    (n-2) 180/angle = n
    Rearrangement of the first one.

    360/exterior angle = n
    The number of sides, n, of a regular polygon, given exterior angle.

    \frac{360}{n} = exterior\  angle

    Exterior angle of a regular polygon with n sides.
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  3. #3
    VAP
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    Thank you SO much, Ting!
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