dau coroana si ma abonez urgent!!!!!
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Răspuns:
frumos desen...
Explicație pas cu pas:
l=6, h=12
P(b)=6·l=6·6=36; A(b)=6·l²·√3/4=6·6²·√3/4=54√3
A(l)=P(b)·h=36·12=432; A(t)=A(l)+2·A(b)=432+2·54√3=432+108√3
V=Aria(b)·h=54√3·12=648√3