[tex]Zadanie\\\\a)\\\\a=4,5\\\\S_k=8\cdot2a=16a\\\\S_k=16\cdot4,5=72\ (j)\\\\b)\\\\ a=3\\ b= 2a=2\cdot3=6-dlugosc\ krawedzi\\\\Pole\ podstawy\\\\ P_p=b^2\\\\ P_p=6^2=36\ (j^2)\\\\Przekatna\ podstawy\\\\ d= b\sqrt{2}\\\\d=6\sqrt{2}\ (j)\\\\Wysokosc\ ostroslupa\\\\H^2+(\frac{1}{2}d)^2=(2a)^2\\\\H^2+(3\sqrt{2})^2 =6^2\\\\ H^2+18=36\ \ \mid-18\\\\H^2=18\\\\H=\sqrt{18}= \sqrt{9\cdot2} \\\\H= 3\sqrt{2}\ (j)[/tex]
[tex]Objetosc\ ostroslupa\\\\V=\frac{1}{3}\cdot P_p\cdot H\\\\V=\frac{1}{3}\cdot 36\cdot3\sqrt{2}=36\sqrt{2}\ (j^3)[/tex]
