There are four rays with four different included angles. Find the value of x in the diagram.
Choices:
A:68
B:78
C:79
D:136
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: There are four rays with four different included angles. Find the value of x in the diagram.
Choices:
A:68
B:78
C:79
D:136
Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
Question: There are four rays with four different included angles. Find the value of x in the diagram.
Choices:
A:68
B:78
C:79
D:136