Maybe a pairllagram i forgot but i do know it has something to do in that area
Minimum three straight line segments connecting to form a closed figure.
depends on whether or not they form a closed figure. a polygon is a closed figure consisting of at least three sides
A polygon is defined as "a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit"... So - Yes.
seriously?
any three that connect
any three that connect
The three segments that connect three non-collinear points form a triangle. Each segment connects one point to another, resulting in three sides of the triangle. The points are the vertices of the triangle, and since they are non-collinear, they create a closed shape with distinct interior and exterior regions.
A nonagon.
Each of the line segments must be shorter than the sum of the other three.
Three.
A square is not a three dimensional figure unless it is in the form of a cube.
Four line segments can always form a quadrilateral, as long as none of them is longer than the sum of the lengths of the other three,