Respuesta :

Answer:

x = 35 degrees

Step-by-step explanation:

∠BCA = ∠DAF because they are corresponding angles.

∠BCA + 42 + 103 = 180 (angles in a triangle = 180)

∠BCA = 180 - (42+103)

∠BCA = 35

∠BCA = x (corresponding angles)

x = 35