a 2d nonagon
A 2D shape with 9 sides is called a Nonagon.
A nine sided two dimensional shape would be called a nonagon. Nona is a common prefix meaning nine of something.
Nonagon is the name of a 9 sided shape. The US Steel Tower in Pittsburgh, Pennsylvania is a nonagon.
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A nonagon
Nonagon (nona- means nine).
No, a nonagon is a 9-sided shape.
a 9 sided shape is a nonagon
A Nonagon
A nine sided shape or polygon is called a nonagon.
A 9 sided shape is a nonagon and its 9 interior angles add up to 1260 degrees.