COROANA TE ROG!!!
^2 = la puterea a doua
sqrt = radical
* = inmultit
f)
At=48cm^2
At=6*l^2
l^2=8=2*sqrt(2) cm
d=l*sqrt(3)
d=2*sqrt(2)*sqrt(3)=2*sqrt(6) cm
V=l^3
V=(2*sqrt(2))^3=2^3*sqr(2)^3=8*2*sqrt(2)=16*sqrt(2) cm^3
g)
V=27cm^3
V=l^3
l=3 cm
d=l*sqrt(3)
d=3*sqrt(3)
At=6*l^2
At=6*3^2=54 cm^3
