Răspuns :
Al= 2• (L•h+l•h)= 2•(3•7+2•7)=2•(21+14)=2•35=
=70(cm²)
At=2•(L•h+l•h+L•l)=
=2•(3•7+2•7+2•3)=
=2•(21+14+6)=
=2•41=
=82(cm²)
V=Llh=3•2•7=42(cm³)
d=√(L²+l²+h²)= √(3²+2²+7²)=
=√(9+4+49)=√62
Al= 2• (L•h+l•h)= 2•(3•7+2•7)=2•(21+14)=2•35=
=70(cm²)
At=2•(L•h+l•h+L•l)=
=2•(3•7+2•7+2•3)=
=2•(21+14+6)=
=2•41=
=82(cm²)
V=Llh=3•2•7=42(cm³)
d=√(L²+l²+h²)= √(3²+2²+7²)=
=√(9+4+49)=√62