Answer :

Formula used/Theory.


Volume of Cylinder = πr2h


Volume of hemisphere = πr3


1 cm3 = litres


As we put Cylinder on hemisphere


The circle part of both cylinder and hemisphere will attach


Volume of container is sum of volume of both cylinder and hemisphere


Volume of container = Volume of cylinder + Volume of Hemisphere


= πr2h + πr3


= πr2[h + r]


As height of hemisphere is equal to radius of hemisphere


Then;


Height of cylinder = Height of Container – Radius


= 27.5cm – 4.2cm


= 23.3 cm


Volume of container = × 4.2 × 4.2 × [23.3 + × 4.2]


= 22 × 0.6 × 4.2 × [23.3 + 2.8]


= 22 × 0.6 × 4.2 × [26.1]


= 1446.98 cm3


For Volume in litres


1 cm3 = litres


1446.98 cm3 = 1446.98 × litres


1.44698 litres


1.45 litres (approx.)


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