👉 In mathematics, a "crossable" object is an object that can be divided into two parts such that one part can be crossed over onto another without leaving any remainder or defect. A crossable object is often used in geometry to represent a line segment, where it represents the point at which the line crosses itself. For example, consider a rectangle with dimensions 4 units by 5 units. The crossable version of this rectangle would be a square with sides of length 2 units, because
