Exterior bisector
The exterior angle bisectors of a triangle are the lines bisecting the angles formed by the sides of the triangles and their extensions.
Syntax
exterior_bisector(Point, Point, Point)
exterior_bisector(Triangle, Integer)
Description
Given three points , and describing a triangle, computes the exterior bisector of the vertex .
Given a triangle and an integer , computes the exterior bisector of the -th vertex of the triangle.