pentadecagon 15 sided ornament

15 Sided Pentadecagon

The pentadecagon (or pentakaidecagon) is any 15-sided or angled, polygon. All fifteen sides of a pentadecagon are of equal length. The United Arab Emirates 15th century, 5 Dirhams isan example of the pendecagon.15 sided dirhams

Visit wikipedia.org pentadecagon (geometry) for more detailed information about the pentadecagon shape.