Jawabanmu

2014-05-30T14:19:22+07:00
V = p. l. t
180=40. 45.t
180=1800
t=1800: 180
 t =10 cm

jadikan yg terbaik ya?
2014-05-30T14:19:59+07:00

40 cm x 45 cm x t = 180 liter
40 cm x 45cm x t = 1800 cm
180 cm x t = 1800 cm
t=1800cm/180cm
t=10 cm