a) AB, AC, DC, DE, FG,BC,CE,EG,BC,CE,EG
MO/OP.ON,NP,MP,MN
LH,TH,LT,HS,HI,LI,TS
B)ABC,ACB,DCF,DEC,CDE,FEG,BAC,FGE,EFG
MOP,MON,MNO,MPO,NMO,PMO
LHI,HLI,LIH,THS,HST,TSH,IHS,HST,HIS,LHT,HLT,HTL
C)ABC DCE FEG
MOP ONP MOP
LHT HTS IHS LHI
sa nu uiti sa pui semnele caracteristice unghiurilo triunghiurilor si segentelor