11. 4.
5.
45 45 90
45 45 90
a x 16
a x 50
b x 16
b x 50
c x 2 16
6.
2
c x 2 50
45 45 90
a x 13
b x 13
c x 2 13 2
2
12. 7.30 60 90
8.
30 60 90
a x2
a x5
b x 3 2 3
b x 3 5 3
c 2x 4
c 2 x 10
30 60 90
9. a x 5
2
b x 3
5
2
c 2x 5
3
13. 10. 30 60 90
11.
30 60 90
a x3
a x
b x 3 3 3
b x 3 3
c 2x 6
c 2x 2 3
12.
30 60 90
a x
8 3
3
b x 3 8
c 2x
16 3
3
3