minta tolong bantuin ya kk nomer 30 dan 31

No.30
Volume Balok =
p x l x t
= 190 x 110 x 80
= 1672000 cm³
Diubah ke liter dibagi 1000
= 1672000 cm³ : 1000
= 1672 liter (c)
No. 31
(-3, 2) B
|. |
x. y