Răspuns :
diagonala = l [tex] \sqrt{2} [/tex]
l = P : 4 l= 24 ; 4 l= 6 cm
diagonala = [tex]6 \sqrt{2} [/tex] cm
l = P : 4 l= 24 ; 4 l= 6 cm
diagonala = [tex]6 \sqrt{2} [/tex] cm