Question

A cuboid is 20 cm long and 12 cm wide. How high must it be so as to hold the 3 litres of water?




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Answer 1

1 litre = 1000 cm³

So, 3 Litres = 3000 cm³


Now we are given

Length = 20 cm

width = 12 cm

Volume = 3000 cm³

Height = ??


Let height be h

We know that volume of a cuboid =

l × b × h

But we are given that volume = 3000 cm³

So,

l × b × h = 3000

=> 20 × 12 × h =3000

=> 240 × h = 3000

=> h = 3000/240

=> h = 12.5 cm


Hence, height should be 12.5 cm :)

Answer 2

Answer:

12.5 cm

Step-by-step explanation:

length= 20 cm

breadth= 12 cm

height= ?

volume = length × breadth × height

3 L= 20×12×h

convert 3 l into cm3= 3000cm3

3000=240h

h=3000/240=12.5 cm

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