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Solution :

Here, we are given, the surface area of the sphere is `154cm^2`<br>
So, `4pir^2 = 154cm^2`<br>
`4xx22/7xxr^2 = 154cm^2`<br>
`r^2 = 49/4=>r = 7/2 = 3.5cm`<br>
So, volume of sphere, `V = 4/3pir^3 = 4/3xx22/7xx3.5xx3.5xx3.5`<br>
`V = 179.67 m^3`<br>