Question

l parallel m parallel n and angle 1 is equal to 60 degree find angle 2 ​

Answer 1

Step-by-step explanation:

angle1 = angle3 (corresponding angles)

angle3+angle4=180° (linear pair)

60°+angle4=180°

angle4=180-60

angle4=120°

angle4 = angle 2 (alternate interior angles)

angle2=120°