Given that lines a and b are parallel and that m∠5 = 120°, find m∠1.
A) 40°
B) 60°
C) 120°
D) 135°

Answer:
answer will be 120°
Step-by-step explanation:
as those are similar angles
Answer:
C
Step-by-step explanation:
angles 1 and 5 are corresponding angles and congruent , thus
∠ 1 = ∠ 5 = 120° → C