Answer:
see explanation
Step-by-step explanation:
∠ 1 = 42° ( alternate to ∠ FCD )
∠ CDF = 180° - 157° = 23° ( adjacent angles are supplementary )
∠ 2 = 23° ( alternate to ∠ CDF )
∠ 3 = 180° - (42 + 23)° = 180° - 65° = 115° ( sum of angles in triangle )
Thus
∠ 1 = 42°, ∠ 2 = 23°, ∠ 3 = 115°
