Respuesta :

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

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