AB = AE, BC = ed in Pentagon ABCDE Angle BCD = BAE = EDC = 120, is AC equal to ad AB = root 3 BC = 1

AB = AE, BC = ed in Pentagon ABCDE Angle BCD = BAE = EDC = 120, is AC equal to ad AB = root 3 BC = 1

If BD and CE are congruent, then BD = CE, be are congruent, ∠ CBE and ∠ DEB are congruent, and ab = AE, so ∠ Abe = ∠ AEB, so ∠ ABC = ∠ AED, connecting AC and ad, it is easy to prove triangle congruence, so AC = ad