n-gon
Chat with our AI personalities
nontagon, or you can just say polygon
The interior angles of a 19 sided polygon add up to 3060 degrees
enneadecagon
The sum of the exterior angles of any polygon is always 360 degrees. In a 19-sided polygon, each exterior angle would be 360/19 = 18.9474 degrees. Therefore, the sum of the exterior angles of a 19-sided polygon would be 19 * 18.9474 = 360 degrees.
hendecagon dodecagon tridecagon tetradecagon pentadecagon hexadecagon heptadecagon octadecagon enneadecagon icosagon The name of a twenty-sided polygon is an icosagon. The definition of an icosagon is a twenty-sided polygon. You can find many lovely pictures online, none of which can be reproduced here.