Technically, you cannot have a shape having 6 corners and 9 sides because a corner is made with two sides coming together. That's why a shape can have only the amount of corners as sides it has.
An object with nine corners (and therefore nine sides) is a nonagon.
A triangular prism
5 faces 9 edges 6 corners
Yes
A shape with 9 sides, is a nonagon.
Polygon
A triangular prism.
9
A nonagon has 9 sides.
The 9-side shape
A 2D shape with 9 sides is called a Nonagon.
A shape with 9 sides is a nonagon. A decagon has 10 sides.