Math
posted by T .
Tap A was turned on to fill a rectangular tank of 50 cm by 40 cm by 28 cm with water at a rate of 6 liters per minute. After 2 minutes, Tap B was turned on to drain water from the tank at a rate of 2 liters per minute. 6 minutes after Tap B was turned on, both taps were turned off. Find the depth of water left in the tank

For this problem, it is important to know which dimension is the height.
Is 28cm the height?