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Determine the number of diagonals in a regular 40-gpn

  • Math -

    If you mean that the a regular 40-sided polygon, recall that the formula for total number of diagonals of a polygon with n sides is,
    D = n(n-3)/2
    D = 40(40-3)/2
    D = 740 diagonals

    Hope this helps~ :3

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