Jawabanmu

2014-05-20T09:44:20+07:00
V = 1/3 × La × t
V = 1/3 × 1/2 × 12 cm × 16 cm × 21 cm
V = 4 cm × 8 cm × 21 cm = 32 cm² ×21 cm
V = 672 cm³
2014-05-20T11:46:42+07:00
 Diket :
Pnjang sisi = 12, 16, 20 cm
Tinggi = 21 cm

Dit : Vol ?

Jwb :
V = 1/3. L alas . t
V = 1/3 . (1/2 x 12 x 16) 21
V =  4 . 8 . 21
V = 32 . 21
V = 672 cm³