A 15 sided polygon is called a ticosakiadecagon
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A pentadecagon. Although I prefer 15-gon since it is obvious what that means!
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The name of a 15 sided polygon is Pentadecagon.
A 15-sided polygon is called a pentadecagon or a pentakaidecagon.
The name of a 15 sided polygon is Pentadecagon.
A 15 sided polygon can be called either a pentadecagon or a quindecagon.
A 15 sided polygon has 15 lines of symmetry;) Thanks for asking:)