Răspunsuri

2014-04-16T15:09:26+03:00
A=l²√3/4  =25√3
l²=4 * 25√3  /√3
l²=4*25
l²=100  ⇒l=10
5 4 5
2014-04-16T15:10:04+03:00
Stim ca A=l²√3/4 => l²√3/4=25√3 => l²√3=100√3 => l²=100 => l=10

3 4 3