A cuboid glass fish tank (with cover) is 50cm long, 40cm wide and 35cm high. How much is the water depth of 40 liters in this fish tank?

A cuboid glass fish tank (with cover) is 50cm long, 40cm wide and 35cm high. How much is the water depth of 40 liters in this fish tank?


50cm * 40cm = 2000cm 40L = 40000 CC 40000 CC divided by 2000cm = 20cm



A cuboid glass fish tank is 50 cm long, 40 cm wide and 30 cm high. It needs 7400 square centimeters of glass. How much is the water depth of 30 liters of water into the fish tank


Hello
Water: 30 liters = 30000 cubic centimeters
Water depth: 30000 (50 × 40) = 15 (CM)



How much glass is needed to make a 60cm long, 25cm wide and 40cm high glass fish tank?
Grade 6 math problems


60 * 25 * 2 + 60 * 40 * 2 + 25 * 40 * 2 = 9800 square centimeter
This is actually the problem of finding the surface area of a cuboid!