find the ratio of the whole surface area of a solid share and a solid hemisphere
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Surface Area of sphere = 4 pi r^2
TSA of hemisphere = 3 pi r^2
Required ratio = ( TSA of sphere) / (TSA of hemisphere)
= 4 pi r^2 / 3 pi r^2
= 4 /3
= 4 : 3
TSA of hemisphere = 3 pi r^2
Required ratio = ( TSA of sphere) / (TSA of hemisphere)
= 4 pi r^2 / 3 pi r^2
= 4 /3
= 4 : 3
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