What are objects that are eleven sided?
An eleven-sided polygon is called a hendecagon. Another name is undecagon.
To find the answer to your question, I searched for the term "objects that are eleven sided." This led me to the knowledge that an eleven-sided polygon is called a hendecagon or undecagon. In geometry, a polygon is a closed shape with straight sides. The term "hendecagon" comes from the Greek words "hendeka," meaning eleven, and "gonia," meaning angle or corner.
If you ever come across similar questions in the future, you can use search engines, reference books, or online geometry resources to find the names of polygons with specific numbers of sides. Additionally, exploring geometry textbooks or consulting with math teachers can also be helpful in expanding your knowledge about different shapes and their properties.