ABCD is a rectangle. Line L is represented by the equation x + 3y = 18. Points A, E, and B lie on line L. Points a and d lie on another line, m. If ABCD is a square, which properties would you use to prove that triangle AeD is congruent to triangle BDC by ASA?
a) Corresponding angles are congruent
b) Corresponding sides are congruent
c) Alternate interior angles are congruent
d) Alternate exterior angles are congruent
