A rectangular tank with internal dimensions 30 cm long, 20 cm wide and 25 cm tall is partially filled with water to a height of 18 cm. What is the volume of water in the tank, in litres? (1 litre = 1000 cm³)
Show Worked Solution
Worked Solution
Step 1: The water forms a cuboid with the tank's base and a height equal to the water level.
Water volume = length × breadth × water height
= 30 × 20 × 18
= 600 × 18
= 10800 cm³.
Step 2: Convert cm³ to litres using 1 litre = 1000 cm³.
10800 cm³ ÷ 1000 = 10.8 litres.
Answer: 10.8 ℓ
Correct answer: 10.8 ℓ
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