Odpowiedź:
2)
[tex]Pp=4^{2} =16[/tex]
[tex]Pb=4*\frac{1}{2} *4* 4\sqrt{2} =32\sqrt{2}[/tex]
[tex]h^{2}+2^{2}=6^{2}\\h^{2}=36-4\\h= \sqrt{32} = \sqrt{4*8}= 2\sqrt{8}=2\sqrt{4*2} =4\sqrt{2}[/tex]
[tex]Pc=16+32\sqrt{2}[/tex]
3)
a=10
h^2+5^2=12^2
h^2=119
h=pierwiastek 119= ok.10.90m