In geometry, a hendecagon (also undecagon[1][2] or endecagon[3]) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka "eleven" and –gon "corner", is often preferred …

What is an 11 sided polygon called? In geometry, a polygon is a closed two-dimensional figure with three or more straight lines. Answer: 11 sided polygon is called Hendecagon. Let's look at a polygon …

Jan 29, 2026 · A hendecagon is an 11-sided polygon, also variously known as an undecagon or unidecagon. The term "hendecagon" is preferable to the other two since it uses the Greek prefix and …

Illustrated definition of Hendecagon: An 11-sided polygon (a flat shape with straight sides). (Sometimes incorrectly called...

Jul 16, 2025 · What does an 11-sided polygon look like and what is its name? An 11-sided polygon is called a hendecagon or undecagon. It has eleven straight sides and eleven angles. The shape can …

An undecagon is an 11-sided polygon referred to as a hendecagon or an undecagon. Regular undecagons have all sides the same length and vertices that are evenly placed around a circle.

In geometry, a hendecagon (also undecagon) is an 11-sided polygon. The name "undecagon" is often seen as incorrect, but the matter is up for debate. The Greek prefix 'hen', is preferable to the Latin …

What is a shape with 11 sides? A shape with 11 sides is called a hendecagon, or alternatively, an undecagon. This polygon has eleven straight edges and eleven vertices. The term ‘hendecagon’ …

Learn all about these 11-sided shapes, hendecagons, their properties and the resources you can use to teach your class about them!

Oct 10, 2022 · Hendecagons are eleven-sided polygons. Learn about their exterior and interior angles, symmetry, and diagonals.