the curved surface area of a hemisphere is 289.776cm^ then find its total surface area
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curved surface area of hemisphere= 289.776cm^2
2πr^2=289.776
πr^2=144.888
then
total surface area of the hemisphere=3πr^2=3*144.888=434.664cm^2
2πr^2=289.776
πr^2=144.888
then
total surface area of the hemisphere=3πr^2=3*144.888=434.664cm^2
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