Respuesta :

thebecks

Answer:

∠a = 42.5°

∠b = 87°

∠c = 174°

∠d = 90°

∠f = 131°

Step-by-step explanation:

∠a = 85°/2 = 42.5°

∠b = 360° -110° - 76° = 174°/2 = 87°

∠c = 360° -110° - 76° = 174°

∠d = 90°

∠f = 360° - 101° - (64° x 2) = 131°