Consider parallelogram ABCD with side CB extended through point E

Answer:
m<CAB = 50
Step-by-step explanation:
m<ABE = 120
Angles ABE and BAD are alternate interior angles of parallel lines, so they are congruent.
m<BAD = 120
m<CAB + CAD = m<BAD
m<CAB + 70 = 120
m<CAB = 50