Question

In the following figure line I is parallel to line m. Find the measure of all unknown angles if angle 1 measures 120 degree.


please explain​

Answer 1

Answer:

∠1 = 120°

∠2 = 60°

∠3 = 60°

∠4 = 120°

∠5 = 120°

∠6 = 60°

∠7 = 60°

∠8 = 120°