What is the value of x in the figure shown below? C.
3.4
D
х
39°
5.1
5.1
73°
А
B
3.4

here is a example to help, becuase The format is messed up on my side Construct a line CD to cut the line AB at point E.

We know that in the triangle BDE exterior angle is equal to the sum of two opposite interior angles

We know that in the triangle AEC exterior angle is equal to the sum of two opposite interior angles

∠CEB=∠CAB+∠ACE

By substituting the values