Any polygon has 3 or more sides
A polygon with 5 sides is called a pentagon.
A pentagon.
A pentagon
A five-sided polygon is called a "pentagon."
decagon
A Pentagon.
5mx10m
A 5-sided polygon is called a pentagon.
The name of a 12345 sided polygon is Myriatriatrictetrapentagon.
A (regular) Pentagon
5 and it is a pentagon.