The name of a 19 sided polygon is enneadecagon.
A 19 sided polygon is called an enneakaidecagon.
The name of a 19 sided polygon is Enneadecagon.
There are 17 triangles in a 19 sided polygon
A 19-sided polygon is an enneadecagon (also enneakaidecagon or nonadecagon).
The name of a 19 sided polygon is enneadecagon.
A 19 sided polygon is called an enneakaidecagon.
The name of a 19 sided polygon is Enneadecagon.
A nineteen-sided regular polygon is called an enneadecagon.
There are 17 triangles in a 19 sided polygon
n-gon
A 19-sided polygon is an enneadecagon (also enneakaidecagon or nonadecagon).
nontagon, or you can just say polygon
The name of a 51 sided polygon is Pentaconhenagon. The name of a 52 sided polygon is Pentacondigon. The name of a 53 sided polygon is Pentacontrigon. The name of a 54 sided polygon is Pentacontetragon. The name of a 55 sided polygon is Pentaconpentagon. The name of a 56 sided polygon is Pentaconheptagon. The name of a 57 sided polygon is Pentaconhexagon. The name of a 58 sided polygon is Pentaconoctagon. The name of a 59 sided polygon is Pentaconenneagon.
The degrees in a 19 sided polygon add up to 3,060 degrees
The name of a 12 sided polygon is Dodecagon.
A 8 sided polygon is called a octagon.