15 sides
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Pentadecagon, Quindecagon, PentakaidecagonA polygon with fifteen sides can be called a pentadecagon.
A 15 sided polygon can be called either a pentadecagon or a quindecagon.
Quindecagon or pentadecagona 15 sided pollygon is called a Pentadecagon, it has interior angles of 156 degrees each
how many sides does an polygonshave
4 sides