If one assumes in Fig. 7.8 that the polygons are triangles, it is necessary to project the polygons and apply the odd parity rule afterwards in order to determine whether the intersection point lies...

If one assumes in Fig. 7.8 that the polygons are triangles, it is necessary to project the polygons and apply the odd parity rule afterwards in order to

determine whether the intersection point lies within the triangle. Describe an algorithm for triangles without using projections.