An octagon has 16 diagonals.
8
4 diagonals
None, if it is an irregular octagon.
An octagon has four (4) diagonals, each connecting two opposite vertices.
An octagon has 16 diagonals.
8
If all of the diagonals are drawn from a vertex of an octagon, how many triangles are formed
No.
it really isn't hard 5
5 triangles are formed.
16 diagonals* * * * *5. To all vertices except itself and one each on either side.
There are 20 diagonals
8 diagonals
4 diagonals
None, if it is an irregular octagon.
20