A pentadecagon. But I prefer 15-gon since it is obvious what that means - without reference to a dictionary.
Chat with our AI personalities
The name of a 15 sided polygon is Pentadecagon.
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
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.