Răspuns :
l (latimea) l------l }suma lor=128:2=64m (semiperimetrul)
L(lungimea) l------l------l------l
64:4=16 m are latimea
3x16 = 48 m are lungimea
L(lungimea) l------l------l------l
64:4=16 m are latimea
3x16 = 48 m are lungimea