Question:The curved surface area of a sphere is `5544 sq. cm.` Its volume is : 

A `38808 cm^3` 
B `42304 cm^3` 
C `22176 cm^3` 
D `33951 cm^3` 

+ Answer
A 

+ Explanation
`4π R^2 = 5544 ⇒ R^2`

`= (5544 xx 1/4 xx 1/22)`

`= 441.`

`:. R = 21.` So, volume 

`= (4/3 xx 22/7 xx 21 xx 21 xx 21) cm^3`

`= 38808 cm^3.

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Irin Moni

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