Răspunsuri

2014-07-22T16:33:15+03:00
Cel mai inteligent răspuns!
2014-07-22T16:33:54+03:00
A=27√3

A=l²√3/4

l²√3/4= 27√3

l²=4*27√3/√3

l²=4*27

l²= 108   =>l=6√3
4 5 4