A five-sided polygon is called a "pentagon."
The name of a 12345 sided polygon is Myriatriatrictetrapentagon.
Not surprisingly, it is called a side!
Apothem!
"Heptagon" is the name of a 7-sided polygon.
If measured on the inside of the polygon, the it is an interior angle.
The name of a 12345 sided polygon is Myriatriatrictetrapentagon.
The name for this polygon is a nonagon,
A pentagon.
A pentagon
The name of a 7 sided polygon is Heptagon.
A hendecagon or an undecagon is the name of a polygon which has eleven sides.
Not surprisingly, it is called a side!
Apothem!
"Heptagon" is the name of a 7-sided polygon.
A Pentagon.
If measured on the inside of the polygon, the it is an interior angle.
A 5 sided polygon is a pentagon