Tylko c :/ Pilnie pomocyyyy !!

[latex]P= frac{e*f}{2} \ P= frac{2 sqrt{2}*4 sqrt{3} }{2}= frac{8 sqrt{6} }{2}=4 sqrt{6} \ a^{2}=( frac{2 sqrt{2} }{2}) ^{2} + (frac{4 sqrt{3} }{2})^2= ( sqrt{2})^2+(2 sqrt{3})^2=2+(4*3)=14 \ a= sqrt{14} \ Ob=4 sqrt{14} [/latex]