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0 votes
1.7k views
in Mensuration by (35.6k points)
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The volume of a sphere of radius ‘r’ is obtained by multiplying its surface area by

A) 4/3

B) r/3

C) 4r/3

D) 3r

2 Answers

+1 vote
by (66.4k points)
selected by
 
Best answer

Correct option is: B) \(\frac{r}{3}\)

Volume of sphere of radius r = \(\frac 43 \pi r^3\) 

\(\frac r3 \times 4 \pi r^2\) 

\(\frac r3 \times \) surface area of sphere

Hence, the volume of sphere of radius 'r' is obtained by multiplying its surface area by  \(\frac r3 \)

+1 vote
by (34.5k points)

Correct option is: B) \(\frac{r}{3}\)

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