An 11-sided polygon is called a hendecagon. In order for an 11-sided shape to be considered a hendecagon, its sides must all be straight and form a closed shape.
Know MoreThe name for a hendecagon is derived from "hendeka," which is the Greek word for 11. Like other polygons, hendecagons can be either regular or irregular. A regular hendecagon consists of 11 sides equal in length and internal angles of approximately 147.273 degrees. An irregular hendecagon is any 11-sided polygon where one or more of the sides are different lengths from the others. An example of a real life hendacagon is the Canadian loonie.
Learn MoreAn 11-sided shape is called a hendecagon. The name is derived from the Greek words "hendeka," which means 11, and "gon," which means corner.
Full Answer >A polygon with seven sides is called a heptagon. A polygon is a closed geometric shape that has at least three sides and angles.
Full Answer >A 100-sided polygon is called a hectogon, centagon or 100-gon. In general, any n-sided polygon with over 12 sides is called an n-gon. While there are other conventions for naming polygons with any number of sides, it is most common to use the n-gon form.
Full Answer >A polygon with three sides is called a triangle. All triangles consist of three lines that are not collinear and three angles. Polygons can have any number of sides, but they must be closed figures.
Full Answer >