Q: Does polygon have to be closed?

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A polygon is a shape that is closed with straight sides and the sides do not overlap like these. I don't know if an arrow is a polygon.

A polygon is a closed plane figure consisting of straight lines. So a square is a polygon, a pentagon is a polygon. Just draw any closed figure with straight lines and you have a polygon.

It is not a polygon, because a polygon is a closed figure.

A polygon is a closed figure bounded by sides. A triangle is a closed figure bounded by three sides. Therefore, according to the definition of polygon triangle is a polygon.

Basically, the meaning of a polygon is closed because the sides are straight. A meaning of a polygon for you: a square. A square has 4 sides that are all straight, a square is a polygon.

Related questions

Yes. A polygon is a closed figure.

Yes. A simple closed figure is counted as a polygon for a polygon is closed.

yes a circle is closed but is not a polygon

A polygon, by definition, is a closed figure. So a closed polygon is an undefined object.

A polygon is a Two dimensional figure that is closed.

a closed, flat figure is a polygon. But it is only a polygon when it is not round.

No. A circle, for example, is a closed shape but it is not a polygon.

A polygon!a polygon

A polygon is a shape that is closed with straight sides and the sides do not overlap like these. I don't know if an arrow is a polygon.

A polygon is a closed plane figure consisting of straight lines. So a square is a polygon, a pentagon is a polygon. Just draw any closed figure with straight lines and you have a polygon.

A closed polygon consists of straight lines and is closed, meaning all lines form a closed chain. Polygons are two dimensional shapes.

Any closed figure formed by a set of straight linesegments is a polygon. If the segments are curved such as in a circle or oval, the closed figure is not a polygon.