Odpowiedź:
[tex]P_p=8^2=64dm^2\\d=8\sqrt{2}\\(0,5d)^2+H^2=12^2\\0,25d^2+H^2=144\\ 0,25*128+H^2=144\\32+H^2=144\\H^2=112/\sqrt{} \\H=4\sqrt{7} \\V graniastoslupa= Pp*H=64*4\sqrt{7}=256\sqrt{7} \\V ostoslupa =\frac{1}{3}*Pp*H=\frac{1}{3}*64*4\sqrt{7}=\frac{256\sqrt{7} }{3}=85\frac{\sqrt{7} }{3}[/tex]
