Which statement is not true about polygons?

A polygon can be drawn from beginning to end without lifting the pencil away from the paper.

A polygon has at least three sides.

A polygon is sometimes two-dimensional and sometimes three-dimensional.

A polygon has at least three vertices.

Question

Which statement is not true about polygons?

A polygon can be drawn from beginning to end without lifting the pencil away from the paper.

A polygon has at least three sides.

A polygon is sometimes two-dimensional and sometimes three-dimensional.

A polygon has at least three vertices.

directrix · Answer

Polygon: a plane figure with at least three straight sides and angles, and typically five or more. https://www.mathsisfun.com/definitions/polygon.html

directrix · Answer

Question: What does it mean to be a "plane" figure?