tolong kak jam setengah 2 di kumpulin >_< makasih kak

kubus = 12 * 12 * 6 = 144*6 = 864 cm - 144 = . . . . 720 cm2
balok = P = 25 cm
. L = 24 cm
. T = 10 cm
l = 2. ( 25*24 +25*10 + 24*10 )
l = 2. ( 600 + 250 + 240 )
l = 2. ( 1090 )
l = 2180 cm2
total = 2180 + 720 = C. 2900 cm2