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calculeaza perimetrul figurei geometrice:dreptunghi=abcd;AB=3*AD
BC=108m


Răspuns :

AD=BC=108
AB=108x3=324
P=324x2+108x2
P=648+216=864

ABCD dreptunghi
AB=CD =108*3=324 cm
AD=BC= 108 cm
P ABCD = AB+BC+CD+AD = 324+108+324+108 = 648+ 216 = 864 cm