Aria ABCD = l*l=4*4=16cm2
Aria AOM=AM*MO/2=2*2/2=2cm2
Aria ABC=AB*BC/2=4*4/2=8cm2
Aria AQNB=AB*BN=4*2=8cm2
Aria MONB=MB*BN=2*2=4cm2
Aria ONCD= Aria ONCP+Aria OPD= 4+2=6cm2
OBSERVATIE :Aria ONCP=Aria MONB=4cm2
Aria OPD=Aria AOM=2cm2
Sper ca te-am ajutat !!! :)