Q. 114.1( 25 Votes )

Find the surface area and the volume of a beach ball shown in the figure.


Answer :

Diameter of spherical ball, d = 42 cm


Radius of ball, r =21 cm


As we know that, Surface area of sphere, A = 4πr2


A = 4× (3.14) × (21)2


A = 5538.96 sq.cm


Also,




V = 38772.72 cm3


The surface area and volume of the spherical ball is 5538.96 cm2 and 38772.72 cm3 respectively


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