Tolong dijawab ya makasih ​

Jawaban:

volume balok = p × l × t

volume balok 1 = 3 × 3 × 5 = 45

Volume balok 2 = 3 × 3 × 2 = 18

Volume balok 3 = 2 × 3 × 3 = 18

volume bangun = 45 + 18 + 18 = 81 kubus satuan