Respuesta :

For Angle 1:
90 + 38 + Angle 1 = 180
128 + Angle 1 = 180
Angle 1 = 52°

For Angle 3:
Angle 1 + Angle 3 = 90
52 + Angle 3 = 90
Angle 3 = 38°

For Angle 2:
63 + Angle 3 + Angle 2 = 180
63 + 38 + Angle 2 = 180
101 + Angle 2 = 180
Angle 2 = 79°