1.

What fraction of the volume of the earth is the volu IOU5. How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?6. A hemispherical tank is made up of an iron sheet I em thick.haptcefaceIf the inner radius is

Answer»

The hemispherical bowl can hold milk is equal to the volume of the hemispherical bowl.

Given diameter of the hemispherical bowl = 10.5cm

radius of the hemispherical bowl (r) = 10.5/2 = 5.25 cm

volume = (2/3)*Π*(5.25)3

= (2*3.14*5.25*5.25*5.25)/3 (Π = 3.14)

= 2*3.14*5.25*5.25*1.75

= 302.91 cm3

= 303 cm3

Now 1000 cm3= 1 litre

So 303 cm3= 303/1000 = 0.303litre



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