If you mean a nonagon then it has 9 vertices and 9 sides
10 sides.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
heptagons have 7 sides
Twelve sides.
If you mean a nonagon then it has 9 vertices and 9 sides
a crescent has 19 sides
how many sides does an polygonshave
Each interior angle of a regular 9 sided nonagon measures 140 degrees
10 sides.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
How many sides does a Decahedron Have
3Three.
"no" sides.
4 sides
Polygon means "many sides."
three