Perimetru triunghi : AB+BC+CD=40+40+36=116
Perimetru patrat: AB+BC+CD+AD=18+18+18+18=72
Perimetru dreptunghi 1 :
AD=BC => AB=BC+215 =458 +215 = 673
AB+BC+CD+AD=673+458+673+458=2262
Perimetru dreptunghi 2;
BC=AD=>AB=2*210=420
AB+BC+CD+AD=420+210+420+210=1260