Respuesta :

Answer:

C

Step-by-step explanation:

im pretty sure it this because it would make 180 degrees ;-;

Answer:

20 degrees

Step-by-step explanation:

angles on a straight line/ straight line angles/ supplementary angles = 180 degrees

angle 1 + angle 2 = 180 degrees

160 + angle 2 = 180

angle 2 = 180 = 160

angle 2 = 20 degrees