Odpowiedź:
[tex]zad.1\\V=?\\V=\frac{1}{3} \cdot Pp\cdot H\\\\Pp=a^{2} ~~\land~~ a=8 ~~cm~~\Rightarrow~~Pp=64~~cm^{2} \\\\H=15~~cm\\\\V=\frac{1}{3} \cdot 64cm^{2} \cdot 15cm\\\\V=320~~cm^{3} \\\\zad.2\\\\V= Pp\cdot H\\\\H=10 cm\\\\Pp=\frac{a^{2\cdot \sqrt{3} } }{4} ~~\land~~a=12cm\\\\Pp=\frac{144\sqrt{3} }{4} cm^{2} \\\\Pp=36\sqrt{3} cm^{2} \\\\V= 36\sqrt{3} cm^{2} \cdot 10cm \\\\V=360\sqrt{3} ~~cm^{3}[/tex]
