Jawabanmu

2014-06-06T18:40:30+07:00
Tinggi =50cm  panjang= 100cm  lebar=60cm  L=pxlxt    100x60x50=300000
1 1 1
2014-06-06T19:22:29+07:00
LP = 2(pl+pt+lt)
2(100*60+100*50+60*50)
2(6000+5000+3000)
2*14000
28000