Odpowiedzi

2010-03-19T08:57:01+01:00
Pp = a * b
Pp = 4 * 3
Pp = 12

Pb = 2 * pi * r * H
Pb = 2 * pi * 2 * 3
Pb = 2 * pi * 6
Pb = 12 pi

Pc = 2Pp + Pb
Pc = 2 * 12 + 12 * pi
Pc = 24 + 12 * pi
Pc = 36 pi