Answer:
∠1=87°
∠2=42°
∠3=44°
Step-by-step explanation:
180-(43+67)=180-110=70
∠3= 70-26=44
∠3+43°=∠1(Exterior angle property of triangle)
∠1=44+43=87°
∠1=45°+∠2(")
87-45=∠2
∠2=42
1=87
2=42
3=44
