Find the surface area of a sphere having diameter 21 cm with solution
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Hey,
Diameter=21
radius=21/2cm
Therefore,
surface area=4πr^2
=4*22/7*21/2*21/2
=1386cm^2.
Hope this helps!!
Diameter=21
radius=21/2cm
Therefore,
surface area=4πr^2
=4*22/7*21/2*21/2
=1386cm^2.
Hope this helps!!
Answered by
0
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