Răspuns:
1)BD=BC+CD=7+2=9cm
EF=DF-DE=10-1,5=8,5cm
BF=BD+DF=9+8,5=17,5cm
2)AP/PC=8:2=4m
MS/SO=14:2=7cm
CA/AD=17:2=8,5km
3)AN=NB=>NB=9cm=>AB=9*2=18cm
MO=PM=>PM=16m=>PO=16*2=32m
BO=OC=>OC=3,5dm=>BC=3,5*2=7dm
