8
Octacontagon
10 sides.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
heptagons have 7 sides
8
circle oval triangle pentacontagon henacontagon diconagon tricacontagon tetracontagon hexacontagon septacontagon octacontagon ennacontagon
octacontagon
Octacontagon
Octacontagon
The simplest and most useful answer is 80-gon. However, if you want to be pretentious and wish to obfuscate rather than communicate, you could go for octacontagon.
a regular octacontagon
octacontagon is an 80-sided polygon
An 80 sided shape is called a Octacontagon.
a crescent has 19 sides
how many sides does an polygonshave
10 sides.