Jawabanmu

2014-06-11T15:39:01+07:00
T limas = 15² - 9²
t limas = 225 - 81 = √144 = 12 cm

V limas = 1/3 × La × t
V limas = 1/3 × 18 × 18 × 12
V limas = 1296 cm³
2014-06-11T15:40:07+07:00
Luas alas = 18.18 =324 cm2
tinggi limas = 12 cm
v=1/3.luas alas.tinggi limas
  =1/3.324.12
  = 1296 cm3