Question

7. A cubical tank with an edge of 20 cm is filled with 3.75 litres of water.
How much more water is needed to fill the tank completely?
Give your answer in litres.​

Answer 1

Answer:

Volume of cube is a³ where a is it's edge.

Since there is 3.75 L of water so needed water will be 8000-3750

Answer 2

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4.25 l

Step-by-step explanation:

$=>V={20}^{3}={8000cm}^{3}$

$=>V={8000cm}^{3}=3.75 l={3750cm}^{3}$

$=>8000-Water\:needed\:to\:fill\:tank$

$=>8000-3750$

$=>{4250cm}^{3}$

$=>\frac{4250}{1000}$

$=>4.25l$

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