Answer: I think it's b
Step-by-step explanation:
Answer:
The solution for the above fraction is

Step-by-step explanation:
Greetings!
look at the attachment above for the explanation.
Answer:
option c. 50°
Step-by-step explanation:
parallelogram opposite side are parallel
let the two angle of angle abc be a,b
so,38°=b
and 12°=c(by alternate interior angle)
38°+12°=50°
The answer to your problem is D