Question

49. In figure, AOB is a straight line, if ∠COA =∠DOB,then x =

(a)80/3

(b)40/3

(c)20/3

(d)70/3

Plz..solve fastly.....
With explanation​

Answer 1

Answer:

Here is Ur Answer.

Step-by-step explanation:

x + (x + 20) + (x + 40) = 180°

x + x + 20 + x + 40 = 180°

3x + 60 = 180°

3x = 180°- 60°

3x = 120°

x = 120°/3

x = 40°