Respuesta :

Answer:

∠ 1 = 112°

Step-by-step explanation:

Since m and n are parallel lines then

∠ 2 and ∠ 3 are corresponding angles and congruent, that is

∠ 2 = ∠ 3 = 112°

∠ 1 and ∠ 2 are vertical angles and congruent, thus

∠ 1 = 112°

Answer:

112*

Step-by-step explanation: