Polygon: Gwahaniaeth rhwng fersiynau

Tarddiad y gair "polygon" yw'r ansoddair [[Iaith Roeg|Groeg]] πολύς (''polús'') "llawer" a γωνία (''gōnía'') "cornel" neu "ongl". Mae'n bosib mai tarddiad y gair γόνυ (''gónu'') oedd "y pen-glin", sy'n enghraifft da o ongl.<ref>{{cite book|title=A new universal etymological technological, and pronouncing dictionary of the English language |first1=John |last1=Craig |publisher=Oxford University |year=1849 |page=404 |url=https://books.google.com/books?id=t1SS5S9IBqUC}} [https://books.google.com/books?id=t1SS5S9IBqUC&pg=PA404 dalen 404]</ref>

 

 

{{Comin|Category:Polygons|Polygonau}}