ABCD is a square. △ACD is congruent to △ACB by _________
In triangles ABC and PQR, ∠A = ∠P, AB = PQ and ∠B = ∠Q, then they are congruent according to?
In Δ ABD, AB=AD and AC is perpendicular to BD. State the property by which Δ ACB ≅ Δ ACD.
In ΔABD, AB = AD and AC is perpendicular to BD. State the congruence rule by which ΔACB≅ΔACD.