Oriented area
Computes the oriented area inside a triangle, arc or polygon.
Syntax
oriented_area(Triangle)
oriented_area(Arc)
oriented_area(Polygon)
Description
Given a triangle, computes its area, and the sign takes into account the orientation of its vertices.
Given an arc, computes the area that encloses, and the sign takes into account the orientation.
Given a polygon, computes the area that encloses, and the sign takes into account the orientation of its vertices.