Respuesta :

mreijepatmat
1) Central angle BOA (D)= 250° → and BOA (C) = 360-250 =110°
Then Arc BA = 110°
mes Angle BDA = mes Arc BA/2 and Angle BDA  = 110°/2 = 55°

2) mes Angle BCA = (Arc BDA - Arc BA)/2 = (250° - 110°)/2 = 70°