Answer:
m<2 = 145
See process below.
Step-by-step explanation:
Lines b and c are parallel.
m<4 = 55 by corresponding angles.
m<3 = 90 since lines a and d are perpendicular.
m<2 = m<3 + m<4 by the exterior angle of a triangle theorem.
m<2 = 90 + 55
m<2 = 145
