Jawabanmu

2014-04-13T12:01:31+07:00
Volume balok = P x L x T . 
                    =120 x 90 x 48 
                    =518.400
2014-04-13T12:02:03+07:00
120=15.8
90=15.6
48=8.6

p=15
l=8
t=6

volume balok= p.l.t = 15.8.6 = 720