Hendecagon.
A polygon with 11 sides is an undecagon
how many diagonals are there iin a polygon of 11 sides
Hendecagon has 11 sides
A heptagon
A polygon with 11 sides is called an "undecagon."
An undecagon
11 sides
undecagon
A hendacagon is a polygon with 11 sides.
Undecagon
A Hendecagon
hendecagon