As shown in the figure, points A, B, and C are on circle O, angle ABO = 22.0, angle ACO = 42.0, then angle BOC is equal to ()
Choices:
A:128°
B:108°
C:86°
D:64°
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: As shown in the figure, points A, B, and C are on circle O, angle ABO = 22.0, angle ACO = 42.0, then angle BOC is equal to ()
Choices:
A:128°
B:108°
C:86°
D:64°
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: As shown in the figure, points A, B, and C are on circle O, angle ABO = 22.0, angle ACO = 42.0, then angle BOC is equal to ()
Choices:
A:128°
B:108°
C:86°
D:64°