nontagon, or you can just say polygon
The interior angles of a 19 sided polygon add up to 3060 degrees
enneadecagon
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.
There are many options. Some of these are: A pyramid with a base that is a 19 sided polygon; A dipyramid with a "centre" that is an 18 sided polygon; A prism with decagonal bases.
A 19 sided polygon is called an enneakaidecagon.
A nineteen-sided regular polygon is called an enneadecagon.
The name of a 19 sided polygon is enneadecagon.
The name of a 19 sided polygon is Enneadecagon.
A 19-sided polygon is an enneadecagon (also enneakaidecagon or nonadecagon).
An enneadeca
Shapes with 13 to 20 sides are known as polygons. Specifically, a 13-sided polygon is called a tridecagon, a 14-sided polygon is called a tetrakaidecagon, a 15-sided polygon is called a pentadecagon, a 16-sided polygon is called a hexadecagon, a 17-sided polygon is called a heptadecagon, an 18-sided polygon is called an octadecagon, a 19-sided polygon is called an enneadecagon, and a 20-sided polygon is called an icosagon.
There are 17 triangles in a 19 sided polygon
nontagon, or you can just say polygon
The degrees in a 19 sided polygon add up to 3,060 degrees
The interior angles of a 19 sided polygon add up to 3060 degrees
It is a 19 sided polygon.