how many diagonals from a vertex a heptagon have
98
There are 5 diagonals
2
If all of the diagonals are drawn from a vertex of an octagon, how many triangles are formed
fourteen. If you draw if diagonals from one vertex there are 14. fourteen. If you draw if diagonals from one vertex there are 14.
It is 18 diagonals
depends on what shape that vertex is in
There are four.
40
69
5