Dodecahedron
Hendecagon (or endecagon)
hendecagon Sandra Good
A nonagon or enneagon.Another answer:An eleven sided figure is also called an hendecagon.
A two-dimensional eleven-sided figure is called a hendecagon.
A figure with odd-numbered sides surely cannot be a true parallelogram?
Yes there is an eleven sided polygon. It is known as a Undecagon or Hendecagon.
The name of an eleven sided geometric shape is a Hendecagon or endecagon.
heptagon * * * * * No. That is a 7 sided figure. A 17 sided figure is a heptadecagon.
It is called a hendecagon or, less often, an endecagon.
A ten sided figure is a decahedron.
An eight sided figure is an octagon.
An eleven sided shape is called a hendecagon.