Find m1 and m2 . Tell which theorem can be used.
m1 =
by the…
m2 =
by the…

122° and angle 1 are alternate interior angles and hence they are equal.
m1 = 122°
122° + angle 2 = 180° [sum of co interior angles is 180°]
angle 2 = 180° - 122°
m2 = 58°