If triangle ABC is congruent to triangle DEF (ΔABC ≅ ΔDEF) such that AB = 5 cm, BC = 6 cm, and AC = 4 cm, then EF = _____.

ABC and DEF are two triangles such that AB = 3 cm, ∠B = 120°, BC = 6.2 cm, DE = 6.2 cm, DF = 3 cm and ∠D = 120°. Then, which of the following statements is true?

ΔMAT and ΔNOR are two congruent triangles such that TM = RO and MA = RN. If ∠TMA = 65°, then the value of ∠RNO + ∠NOR is: