Odpowiedzi

2010-03-11T17:14:21+01:00
2r = 4√3
r = 2√3
H = 6
obl. l
l² = 6² + (2√3)²
l² = 36 +12
l² = 48
l = 4√3
P = π r² + π r l = π x 12 + π x 2√3 x 4√3 = π x 12 + π x 24 = 12π + 24π = 36π