Lung. Drep. Lat. Drep. Perim. Drep. Verificare
8 cm 3 cm 22 cm (8+3)×2=22
17cm 3 cm 4dm(40 cm) (17+3)×2=40
21 cm 6 cm 5dm 4cm( 54cm) (21+6)×2=54
Latura Patr. Perimetrul Patr. Verificare
65mm 260mm(26cm) 65×4=260
35cm 140 cm 35×4=140
2dm5cm(25cm) 100cm(10dm) 25×4=100
Sper ca te-am ajutat)))))
