berapa volume bak sampah yg dibuat ines

Dik:
l = 30 cm
p = 3/2 x l = 3/2 x 30cm = 45cm
t = 4 cm + l = 4cm + 30 cm = 34 cm
Dit: Volume bak sampah Ines
Jawab:
V = p x l x t
= 45cm x 30cm x 34cm
= 45.900cm³