Respuesta :

Step-by-step explanation:

(i)

m L BOC = 2× m L BAC = 2×56 = 112°

(ii)

m L BCA = m L BAT = 75°

m L OCB = (180°-112°)/2 = 68°/2 = 34°

so, m L OCA = 75°-34° = 41°