14.
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A 7 sided septagon or heptagon has 14 diagonals
There are 14 diagonals in an heptagon
Improved Answer:-It has 14 diagonals
A 7 sided heptagon has 14 diagonals
6 * * * * * No! The number of diagonals in a polygon with n sides is 1/2*n*(n - 3). So when n = 7 this gives the number of diagonals in a heptagon is 14.