Question

? 22 2 a a||b 175° 21+22=210° a all b. L1, L2, L3-? b 5/1 6 ab 21+22=160° L3,L4, L5,L6-?​

Answer 1

Ответ:

№1:

1=2=210:2=105

№2:

75°=3=1

2=180-75=105°

№3:

1=2=160:2=80°

4=1=80°

5=6=3=180-80=100°