Answer:
∠3 = ∠6 = ∠8
Step-by-step explanation:
∠3 = ∠8 (Vertically opposite angles)
∠3 = ∠6 (Alternate inner angles)
∠3 = ∠1 (Corresponding angles)
Therefore, ∠3 = ∠6 = ∠8
Hoped this helped.