100PT! Which of the following steps will help prove that triangle FBD is equilateral?

Prove that DA, EF, and CB are parallel.
Prove that angles A, B, C, D, E, and F are congruent.
Prove that triangles BDC, DFE, and FBA are congruent.

100PT Which of the following steps will help prove that triangle FBD is equilateral Prove that DA EF and CB are parallel Prove that angles A B C D E and F are c class=