Respuesta :

22523

Answer:

4x-20=60

Step-by-step explanation:

the angles are congruent, so setting them equal to each other would be the way to go

kritika3375

Answer:

x = 20°

Step-by-step explanation:

4x - 20° = 60° {being vertically opposite angles}

4x = 60° + 20°

4x = 80°

x = 80° / 4

x = 20°