Q. 25.0( 2 Votes )

# The volume of a sphere is Find its radius and hence its surface area.

Answer :

Volume of sphere = 38808cm^{3}

r^{3} = 441 × 21

r^{3} = 21 × 21 × 21

r = 21cm

surface area = 4πr^{2}

=

= 5544cm^{3}

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