Tolong di jawab ya. makasih (ʘᴗʘ✿)​

Jawaban:

2) volume balok

= P × L × t

= 10 × 4 × 7

= 280 cm³

volume kubus

= r × r × r

= 5 × 5 × 5

= 125

selisih:

volume balok – volume kubus

= 280 – 125

= 155

3) t = (3 × V) : Luas alas

= (3 × 384) : 12

= 1.152 : 12

= 96 cm