Răspuns :
Salut,
Aria=60
l^2
l=2 radical 15 cm
diagonala=l radical 2
d=2 radical 15× radical 2 =2 radical 30 cm
BY 7646
Aria=60
l^2
l=2 radical 15 cm
diagonala=l radical 2
d=2 radical 15× radical 2 =2 radical 30 cm
BY 7646