Let's assume mzi is supposed to be m∠1.
Angle 1 and angle 2 are congruent, vertical angles. By the angle of intersecting chords theorem, each of them is the average of the two arcs,
m∠1 = m∠2 = (1/2)( 37° + 25° ) = 62° / 2 = 31°
Answer: 31°
