tolong kerjainya.....

v kubus=s 3
6×6×6=216

v balok=p×l×t
12×6×5=360

v gabungan= v1+v2
216+360=576
jadi jawabannya C.576

balok = p x l x t = 12 x 6 x 5 = 360
kubus = s x s x s = 6 x 6 x 6 = 216
360 + 216 = 576 (C)