Question

If angle is 120 degree what is its supplementary angle

Answer 1

Answer:

60 degrees

Step-by-step explanation:

Let supplementary angle be x.

120+x=180

x=180-120

x=60 degrees

Answer 2

Answer:

60

Step-by-step explanation:

as sum all angles in a triangle=180

120=x=180

x=180-120

x=60