Răspuns :
24:3=8 cm lungimea
8*2=16 cm cele doua lungimi
8:2=4 latimea
4*2=8 cm cele doua latimi
V:8+8+4+4=24 cm perimetrul
8*2=16 cm cele doua lungimi
8:2=4 latimea
4*2=8 cm cele doua latimi
V:8+8+4+4=24 cm perimetrul
24:4=8 cm lungimea
2*8=16 cm lungimile
8:2=4 latimea
4*2=8 cm latimile
verificare: 2*4+2*8=8+16=24
2*8=16 cm lungimile
8:2=4 latimea
4*2=8 cm latimile
verificare: 2*4+2*8=8+16=24