Respuesta :

Answer:

9. The answer is 208

10. The anwer is 122°

11. m∠1 = 43°

   m∠2 = 17°

   m∠3 = 120°

   m∠4 = 60°

   m∠5 = 60°

   m∠6 = 60°

   m∠7 = 17°

   m∠8 = 120°

   m∠9 = 43°

Step-by-step explanation:

Long explanation that's why I don't have to put it. But I solved it on a scratch  paper so you don't have to doubt me. I hope it helps