Line

Given two points and , it constructs a line passing through such points.

Given a point and a vector , it constructs a line passing through with direction vector .

Given a point and a real , it constructs a line passing through with slope .

Given a vector , it constructs a line whose equation is .

Given an equation or equations, it constructs a line whose equation(s) are the ones we have provided.

Given two reals and (or one real and one infinity), it constructs the line that intersect with x-axis at and with y-axis at .

Given a segment, it constructs a line that contains it.

Given a triangle and an integer , it constructs the line that contains the -th edge.

Given a polygon or polygon and an integer , it constructs the line that contains the -th edge.