Is this what you predicted the two triangles would look like? The orthic triangle becomes a straight line. Notice that vertices V and W of the orthic triangle, i(the incenter of the orthic triangle), T(one of the vertices of triangle RST) and H(the orthocenter of triangle RST) are all concurrent. Notice also that C(the circumcenter of triangle RST) is located on segment RS. This tells you that C is the midpoint of segment RS because of definition of C.