spelled exactly how it is.
For extra a polygon is a shape that...:
Chat with our AI personalities
octagon
There are 8 sides in the polygon with 8 sides (an octagon).
octagon-8 sides
The name of a polygon with 15 sides is a pentadecagon
A polygon with 1,000 sides is known as a chiliagon. A hectogon is a polygon that has 100 sides, and a polygon with 8 sides is called an octagon.