Answer:
∠1 = 67°
∠2 = 67°
∠3 = 113°
Step-by-step explanation:
∠1 = ∠2
∠1 + ∠2 + ∠3 + 113° = 360°
∠1 = (360 - 113 - 113)/2 = 67°
b
Is there a photo the problem or is that just it?