It is polygon but this type of shape is a nonagon.
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a shape with nine sides is called nonagon
polegon
dont no!
A nonagon is a 2 dimensional shape that has nine sides. A polygon on the other side refers to a plane that is 2D and has three straight sides.
I assume you want the name of each shape, not just the generic polygon which refers to any multi-sided shape.5 sides - pentagon6 sides - hexagon7 sides - heptagon8 sides - octagon9 sides - nonagon10 sides - decagon