Răspunsuri

2014-05-08T21:14:53+03:00
H=(l√3):2
2√3=(l√3):2
l√3=4√3
l=4√3:√3
l=4
A=(l²√3):4
A=16√3:4
A=4√3 cm²
1 1 1
2014-05-08T21:16:21+03:00
H=l^2 radical 3 /2 l^2 radical 3/2= 2 radical 3 l^2= 2 radical 3 *2 / radical 3 l^2=4 l=2 A= l^2 radical 3/4 A=2^2 radical 3/4 A=4 radical 3/4 A= radical 3