Jawabanmu

2014-02-09T12:41:51+07:00
Lp : 3 \pi x r²
108  \pi = 3 x  \pi x r²
r² = 108 : 3 = 36
r = 6 cm

V = 4/3 x  \pi x r³
4/3 x 3,14 x 6³
4/3 x 3,14 x 216
4/3 x 226,08
904,32

Semoga membantu ya!