Question

Two angles of a triangles are 30° and 120° then

Answer 1

Answer:

then the third angle is 30

Step-by-step explanation:

as the sum of all the angle is 180

so we add 120 and 30 and xso

150+ x=180

x=30

Answer 2

Step-by-step explanation:

Third angle=x

x+30+120=180

x+150=180

x=180-150

x=30

So, 3rd angle =30