1.
ac-cb=25
ac+cb=180
2ac=205
ac=102,5
cb=ac-25=102,5-25=77,5
2.
mk=8kn
mk+kn=180
9kn=180
kn=20
mk=8*20=160
3.
CDB/ADC=4/5
ADC=5CDB/4
CDB+ADC=180
CDB+5CDB/4=180
9CDB=720
CDB=80
ADC=5*80/4=100
4.
MPK=2,6KPN
MPK+KPN=180
2,6KPN+KPN=180
3,6KPN=180
KPN=50
MPK=2,6*50=130
5.
RLS=80%PLR
RLS=0,8PLR
RLS+PLR=180
0,8PLR+PLR=180
1,8PLR=180
PLR=100
RLS=0,8*100=80
6.
PKN=40
PKS=SKN
PKN=PKS+SKN=2PKS
PKS=40/2=20
PKS=SKN=20
MKS+SKN=180
MKS+20=180
MKS=160