Q. 74.1( 161 Votes )

Find the volume o

Answer :

Let the radius be "r".

Given, Surface area = 154 cm2


We know that Surface Area of a sphere is given by,

S = 4πr2

Therefore,

4πr2 = 154


4 ×  × r × r = 154


r = 3.5 cm


Now,


Volume = πr3


= ×  × (3.5)3


= cm3

= 179.67 cm3

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