Jawabanmu

2014-06-05T09:18:57+07:00
Volume 14x8x5 = 560 cm^3
lebar=112:14
=8 cm
v balok=14.8.5=560 cm3
2014-06-05T09:27:50+07:00
112:14=8 jadi lebar 8
R balok=P*l*t
            =14*8*5=-560 cm3