Respuesta :

Answer:

arc AB = 49°

arc ABC = 253°

arc BAC = 156°

arc ACB = 311°

Step-by-step explanation:

arc AB sees the center angle and it is equal to the center angle it sees

arc ABC is equal to 360 - 107 = 253° because it is also sees center angle

arc BAC is equal to 107 + 49 = 156°

arc ACB is equal to 360 - 49 = 311°