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Răspuns:
Explicație:
Patrat : 3+3+3+3=12 cm
Triunghi : 3+4+5=12 cm
Dreptunghi : (3+4) +(3+4) +6+6 = 26 cm
AB=DC=3cm
AD=BC=3cm
FG=ED=6cm
EF=DG=DC+CG=3+4=7
P(ABCD)=4×l=4×3=12
P(BCG)=5+4+3=9+3=12
P(DEFG)=2L+2l=2×6+2×7=12+14=26