Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.
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CSA of hemisphere= 2πr^2
Radius of hemisphere = 7/2=3.5 cm
CSA= 2*22/7*3.5*3.5
= 77cm^2
Radius of hemisphere = 7/2=3.5 cm
CSA= 2*22/7*3.5*3.5
= 77cm^2
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