+A hendecagon, also known as an undecagon, is a [polygon](/wiki/polygon) gracefully defined by eleven straight sides and eleven angles. Its unique structure explores the subtle beauty of [11-sided](/wiki/11-sided_shape) figures in mathematical space.
+## See also
+- [Geometry](/wiki/geometry)
+- [Shape](/wiki/shape)
+- [Dodecagon](/wiki/dodecagon)