Question
The base area of a rectangular cistern is 1080 m², and it
holds a volume of 32400 m³ of water. What is the depth of the water in the cistern?Solution
ATQ,
The cistern is the shape of a cuboid.
We know that the volume of a cuboidal cistern = Length × Breadth × Depth
Let the depth of the water in the cistern be 'h' metres.
ATQ:
32400 = 1080 × h
Or, h = (32400/1080) = 30
Required depth = 30 metres
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