0
Anonymous
formula n/2(n-3)
so, 13/2(13-3)
Diagonal is 65
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It has 1,345,890 diagonals
There are 20 diagonals
There are five diagonals in a pentagon.
5 diagonals
There is 4 diagonals
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
24 diagonals
2 diagonals
It has 2 Diagonals!!!
20 diagonals
It has 27 diagonals
14 diagonals
It has 9 diagonals
It has 2 diagonals
how many diagonals from a vertex a heptagon have