What Is the Name of a 10-Sided Polygon?

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The name of a 10-sided polygon is a decagon. The term "decagon" comes from the modern Latin word "decagonum" and from the Greek "dekagonon," which is a combination of "deka," meaning "ten" and "gonia," meaning "corner" or "angle."

A polygon is a two-dimensional plane figure with straight sides. These sides or segments do not intersect at any point. The parts of a polygon include the side, vertex, diagonal, interior angle and exterior angle. Its three types are regular, equilateral and equiangular. If a plane figure is a regular polygon, it is also equilateral and equiangular. Curved shapes are not considered as polygons.