Odpowiedź :
45 l = 45 dm³
3/4x = 45 dm³
x = 60 dm³
V = 60 dm³
a = 1,5 m = 150 cm = 15 dm
b = 60 cm = 6 dm
Pp = 15 dm * 6 dm = 90 dm²
V = Pp * H
60 dm³ = 90 dm² * H
H = 60/90 dm = 2/3 dm
Odp: Akrarium ma wysokość 2/3 dm.
45 l = 45 dm³
3/4x = 45 dm³
x = 60 dm³
V = 60 dm³
a = 1,5 m = 150 cm = 15 dm
b = 60 cm = 6 dm
Pp = 15 dm * 6 dm = 90 dm²
V = Pp * H
60 dm³ = 90 dm² * H
H = 60/90 dm = 2/3 dm
Odp: Akrarium ma wysokość 2/3 dm.