Question

in fig, the value of x is :-
a) 120 degree
b) 110 degree
c) 80 degree
d) 100 degree
Explanation also need​

Answer 1

@brainly..

value of x=100°

Answer 2

Answer:

100

Step-by-step explanation:

IN ΔABC(THE BIGGER Δ)

20+30+∠ACB=180  (ASP)

∠ACB=130

NOW, ∠ACB+∠ACD=180   (LINEAR PAIR)

           ∠ACD=50

IN THE SMALLER Δ

50+50= X  (EXTERIOR ANGLE PROPERTY)

X=100