What is a 16 sided figure called?
hexakaidecagon
In geometry, a polygon or a geometrical shape with 16 sides is called a hexakaidecagon or hexadecagon. This is also known as 16-gon. The measure of each internal angle of a regular hexadecagon is 157.5 degrees.
What is the name of a 21 sided shape?
henicosagon
What is the name of a polygon with…?
| # | Name of the Polygon + Geometric Drawing |
|---|---|
| 20 sides | icosagon |
| 21 sides | henicosagon |
| 22 sides | doicosagon |
| 23 sides | triaicosagon |
What’s a 20 sided shape called?
icosagon
In geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon’s interior angles is 3240 degrees.
What is a 22 sided shape called?
Systematic polygon names
| Ones | Twenties | |
|---|---|---|
| 20 | ||
| 1 | hena- | 21 |
| 2 | di- | 22 |
| 3 | tri- | 23 |
What is a 99 sided shape called?
nonacontakainonagon
What is a 99 sided shape called? In geometry, an enneacontagon or enenecontagon or 90-gon is a ninety-sided polygon. Thus, the 99 sided shape is called nonacontakainonagon or enneacontanonagon. Here, enneaconta is the prefix for the number of sides numbered from 90 to 99.
What is a 80 sided shape called?
Octacontagon
Other polygons
| Polygon | Name | n (sides) |
|---|---|---|
| 80 – sided polygon | Octacontagon | 80 |
| 90 – sided polygon | Enneacontagon | 90 |
| 100 – sided polygon | Hectagon | 100 |
| 1,000 – sided polygon | Chiliagon | 1,000 |
What’s a 666 sided shape called?
Chiliagon
| Regular chiliagon | |
|---|---|
| Coxeter–Dynkin diagrams | |
| Symmetry group | Dihedral (D1000), order 2×1000 |
| Internal angle (degrees) | 179.64° |
| Properties | Convex, cyclic, equilateral, isogonal, isotoxal |
What is a 0 sided shape called?
Polygons
| Polygon Name | Number of Sides | Number of Diagonals |
|---|---|---|
| Triangle | 3 | 0 |
| Quadrilateral | 4 | 2 |
| Pentagon | 5 | 5 |
| Hexagon | 6 | 9 |
What is a billion sided shape?
A gigagon is a two-dimensional polygon with one billion sides.