9
If you mean a nonagon then it has 9 vertices and 9 sides
nonagon
Its is called a nonagon
A nonagon is a 9 sided polygon whereas an octagon is an 8 sided polygon
There are 9 vertices in a nonagon.
It has 9 vertices
Nine
Ten.
9
If you mean a nonagon then it has 9 vertices and 9 sides
A nonagon has nine sides, nine angles and nine corners (vertices).
45
nonagon
A polygon with 9 vertices is a nonagon.
A nonagon is a polygon with n vertices (or 9 sides).
It has nine corners (vertices). Whether it is irregular or not is an irrelevance.