8 edges
3 or more.
30
A polygon can have three or more edges and exactly the same number of vertices. All polygons have one face.
it has seven
8 edges
3 or more.
four
15 edges.
It has 8 edges.
A sphere has 0 edges.
30
9 edges
I believe it has 5 edges?
There are no curved edges in a pentagon. Part of the definition of any polygon is that they have straight edges.
A polygon can have three or more edges and exactly the same number of vertices. All polygons have one face.
12