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calculati rimetrul unui triungi ABC in care AB =12 cm AC=150 mm si BC=1.4 DM

Răspuns :

Simplu
Transformi ac=150mm in 15 cm
BC=1.4dm in 14 cm
Si aduni Ab+Ac+Bc=12+15+14=31
P=31 :)
AB=12 cm
AC=150 mm =15cm
BC= 1,4 dm = 14 cm
Perimetrul =AB + AC + BC = 12 +15 + 14=41 cm