1. Suppose ^ABC and ^DEF are two triangles such that jBAC jEDF, AC D DF, and CB D FE (the hypotheses

1. Suppose ^ABC and ^DEF are two triangles such that jBAC  jEDF, AC D DF, and CB D FE (the hypotheses of ASS). Prove that either jABC and jDEF are congruent or they are supplements. 2. Prove the Hypotenuse-Leg Theorem (Theorem 4.2.5).