help please i dont know how to do this the screenshot should have everything i dont know alot this is my first time doing a question

Answer:
it's D
Step-by-step explanation:
it's d because if 74 would be the same as the left side next to x and if you turn that into a problem like 180-74 and I got 180 cause half of a circle is 180 and then my answer would be 106 I'm not good at explaining but it's d
Answer:
should have everything i dont know alot this is my first time doing a question