Gina wilson all things algebra geometry unit 4 homework 3.

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

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.