Odpowiedzi

2010-04-13T18:46:49+02:00
P = 3×48π cm²
P = 144π cm²
P = 4πr²
144π = 4πr²|÷4π
36 = r²|√
6 = r
V = 1⅓πr³
V = 1⅓π6³
V = 1⅓π216
V = 288π cm³