It is called Tetracontagon.
A 40-sided polygon has 40 sides. Count again, to be sure.
A 14 sided polygon is called a tetradecagon.
A 24 sided polygon is called a icosikaitetragon.
A ten-sided polygon is called a decagon.
The name of a 172 sided polygon is ChiliHeptacontakaidigon.
40-gon.
The name of a 40 sided polygon is Tetracontagon.
A 40-sided polygon has 40 sides. Count again, to be sure.
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
A 40 sided polygon is call a Tetracontagon. Try saying that ten times fast. :) Hope this helped.
A 12-sided polygon is called a dodecagon.
A 20-sided polygon is called an icosagon.
A 25 sided polygon is called a icosikaipentagon.
A 14 sided polygon is called a tetradecagon.
A 90-sided polygon is called an enneacontagon.
A 24 sided polygon is called a icosikaitetragon.
A million-sided polygon is called a megagon.