How many diagonals does a heptagon have?

univerkov | November 29, 2020 | education

Heptagon:
1) 7 – 3 = 4 (diagonals) – comes out of each vertex;
2) 4 * 7 = 28 (diagonals) – double the amount;
3) 28: 2 = 14 (diagonals) – in a heptagon.

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