BY applying SAS congruence rule, i want to establish that triangle PQR congruent to triangle FED. It is given that PQ = FE and RP =DF. What additional information is needed to establish the congruence ? Share with your friends Share 0 Subhra answered this Angle QPR = Angle EFD should be given 1 View Full Answer Surya Mishra answered this The additional information that should be given shoul be that angle p=angle f .That are the included angles of two sides of both triangles. 0