Respuesta :

using the rules of complimentary angle, vertical angles, etc:

9 = 180 - 60 = 120
10 = 180 -80 = 100
6 = 9 = 120
5 = 60
4 = 80
7 = 10 = 100
1=60
3 = 80
2 = 180 - 60 - 80 = 40
8 = 1 = 60