Pliska 2 zadanka z maty za 30 pkt w załącznikach w 1 obliczamy r w drugim V i Pc

2. [latex]r=frac{h}{sqrt{3}}=frac{12sqrt{3}}{3} = 4sqrt{3} \ l = 2r = 8sqrt{3} \ V=frac{1}{3} pi r^2 h = frac{1}{3} pi cdot (4sqrt{3})^2 cdot 12 = 4 pi cdot (16cdot 3) = 192 pi[/latex] [latex]P_c = P_p + P_b = pi r^2 + pi r l = 48 pi + pi cdot (4sqrt{3} cdot 8 sqrt{3}) = 48 pi + 96pi = 144 pi[/latex]