Răspunsuri

2014-05-10T13:44:46+03:00
1. h=l²√3/2
2√3=l²√3/2
l²=4
l=2
A=l²√3/4
A=4√3/4=√3
2.
d=l√2
2√3=l√2
l=2√3/√2
rationalizezi cu √2
l=2√6/2=√6
A=l²
A=6