Question

solve this question pls​

Answer 1

Answer:

let's given triangle be ABC

an(ABC) = 70°, an(ZAC)=120°

Now using angle sum property

an(BAC) + an(ABC) =120°

X + 70° =120

X=120-70

X= 50°

X+an(ABC) = Z

50+70 =120

Z=120

Y+Z =180

Y= 180- 120

Y=60°