Is there a primary relationship between polygons?

Yes Multi-angle relationship, this word describes the meaning of three or more parties in the relationship chain. If a relationship is represented by a line segment, there will be three relationships in a triangle and six relationships in a quadrilateral, which will be more polygonal and complex. There is a primary and secondary relationship between polygons. The relationship between primary and secondary is unity of opposites, and their dominant positions can be exchanged due to the development and change of conditions, and there is no absolute dominant relationship.