A shape w/ 11 sides is called a hendecagon.
An eleven sided shape is called a hendecagon.
a shape with eleven sides is called a undecagon
a heptagon is a shape with 11 sides!
A polygon having eleven sides can be called a hendecagon or an undecagon. It can also be called an 11-gon.
An eleven sided polygon (2D shape with straight sides) is called a Hendecagon.I often set this as a research puzzle for my mathematics classes!
A two-dimensional eleven-sided figure is called a hendecagon.
Hendecagon
Two-dimensional: Pentagon Three-dimensional: Pentahedron
They are called hendecagons.
hendecagon ( dot know spelling)
An 11 sided polygon is an undecagon
It is called Enneagon for eleven sides.