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20 August, 15:07

How many diagonals does a heptagon have?

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  1. 20 August, 17:49
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    14 diagonals.

    Step-by-step explanation:

    The formula for a polygon with n sides is n (n - 3) / n.

    For a heptagon with 7 sides it is:

    7 (7-3) / 2

    = 28/2

    = 14 diagonals.
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