9- Nonagon, Enneagon 11- Undecagon, Hendecagon 13- Tridecagon, Triskaidecagon 14- Tetradecagon, Tetrakaidecagon 15- Pentadecagon, Pentakaidecagon 16 -Hexadecagon, Hexakaidecagon 17 -Heptadecagon, Heptakaidecagon 18- Octadecagon, Octakaidecagon 19 -Enneadecagon, Enneakaidecagon 20- Icosagon 30 -Triacontagon 40 -Tetracontagon 50 -Pentacontagon 60 -Hexacontagon 70 -Heptacontagon 80 -Octacontagon 90- Enneacontagon 100 -Hectogon, Hecatontagon 1,000 -Chiliagon 10,000 -Myriagon
It is a hendecagon.
Any polygon has 3 or more sides
The 11 side polygon is called bysocleptron
The name of a 11 sided polygon is Hendecagon.
A hendecagon or endecagon.
a pentagon
A polygon with 11 sides is called an "undecagon."
the 12 side polygon is called dodecagon
decagon
A hendecagon or endecagon.
An 11 sided polygon has 44 diagonals
its called a hendecogon. some people say its a 11-ogon,but they're wrong