Question

daca un dreptunghi are latura de 2cm iar perimetrul32cm.Cite cm are lungimea

Answer 1

32-(2*2)=32-4=28 cm are lungimea 
(28:2=14 cm o lungime)

Answer 2

2 cm x 2 =4 cm (suma latimilor)
32cm - 4cm =28 cm (2 lungimi)
28:2=14 cm(lunginea)