Respuesta :

Answer:

x = 20

Angle 1 = 120

Step-by-step explanation:

(4x + 40) = (2x + 80)

4x + 40 = 2x + 80

2x + 40 = 80

2x = 40

x = 20

2(20) + 80

40 + 80

120

Angle 1 is a vertical angle from (2x + 80) so they have the same measurement.