Question

Помогите плез !!!!!!!!!!!!!!!!!!!!!

Answer 1

∠1+∠2+∠3=180° => ∠1=180°-(∠2+∠3)=180°-151°=29°
∠1=∠2 по условию, значит ∠1=29°
∠4=∠А=∠1*2=29°*2=58°
∠3=∠6=180°-∠А=180°-58°=122°