tolong dijawab ya dengan caranya

1. volume kubus = s x s x s
= 12 x 12 x 12
= 1728 cm³
volume balok = p x l x t
= 26 x 12 x 12
= 3744 cm ³
volume gabungan = 1728 + 3744 = 5472 cm³

2. volume balok¹= p x l x t = 8 x 4 x 15 = 480 cm ³
volume balok² = p x l x t = 10 x 4 x 4 = 160 cm³
volume balok³ = p x l x t = 8 x 4 x 12 =384 cm³

volume gabungan = 480 cm ³ + 160 cm ³+ 384 cm³ = 1024 cm ³