hitunglah volume bangun bangun berikut

no 5 6 dm x 8 dm 18 dm = 864 dm3
no 6 3 cm x 3 cm x 8 cm + 2 cm x 8 cm x 3 cm
= 72 cm3 + 48 cm3 = 120 cm3
no 7 6 cm x 5 cm x 4 cm + 3 cm x 5 cm x 3 cm
= 120 cm3 + 45 cm3 = 165 cm3