Răspuns :
patrat :
-> - L2 (aria)
-> Lx4 (perimetrul)
dreptungi :
-> -2 x L+l
-> (LX2) + (lx2)
-> - L2 (aria)
-> Lx4 (perimetrul)
dreptungi :
-> -2 x L+l
-> (LX2) + (lx2)