5 . 60, 60, 60
6.60, 90, 30
7.100, 40, 40
8.60, 30, 90
9.30, 75,75
10.80, 40, 60
11.90, 30 , 60
12.45,45 90
5. Q,M,N=60
6. E=90, P=30
7. M,N=40
8. A=50, C=70
9. M,K=50, N=80
10. E=40, D=60
11. A=30, C=90, B=60
12. A=45, M=90, D=45, B=45
