Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!

Answer:
MN = 4
m∠MLN = 42°
Step-by-step explanation:
If ΔMLN is congruent to ΔYZX, then
ML ↔ YZ MN ↔ YX LN ↔ ZX ∠M ↔ ∠Y ∠L ↔ ∠Z ∠N ↔ ∠X
and all those correspondences are congruent when the triangles are congruent