nomor 29-30... bantu aku ya kk mksh.....

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29) Bangun I = 1/3 x 8 x 4 x 6 = 64 cm^3

Bangun II =
[tex]panjang \times lebar \times tinggi \\ 14 \times 8 \times 4 = 448cm ^{ 3} [/tex]
Volume gabungan= 448 + 64 = 512 cm^3

30) Volume balok= 15 x 10 x 6 = 900 liter
volume air dalam bak =
[tex]\ \frac{2}{3} \times 900liter = 600liter[/tex]