Jawabanmu

2014-03-24T21:23:23+07:00
Volume prisma = La.t 
 jdi, cari La =  \frac{12 + 5}{2} .24= 204 cm^{2}

then, La.t 
204 . 15
= 3060  cm^{3}
2014-03-24T22:37:10+07:00
Ltrapesium = \frac{5+12}{2} * 24 = 204
Vprisma = La*t = 204*15 = 3060