Question

Please answer my questions it is very important ​

Answer 1

Answer:

pls mark me brilliant

Step-by-step explanation:

x = 180-80-(180-120)

x = 180-80-60

x= 180-140

x= 40°

Answer 2

Answer:

The sum of the adjacent angles is equal to the exterior angle

Exterior angle= 120 degrees

80+x= 120

x=120-80

x=40 degrees

the sum of interior angles of triangle= 180

80+40= 120

180-120= 60 degrees

C= 60 degrees