Find the ratio of total surface area of sphere and a solid hemisphere of same ratius
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let their radius be r
so ,
surface area of sphere= 4 pie r^2
surface area of hemisphere = 3 pie r^2
ratio=4 pie r^2/3 pie r^2
=4:3
hope it helps you
so ,
surface area of sphere= 4 pie r^2
surface area of hemisphere = 3 pie r^2
ratio=4 pie r^2/3 pie r^2
=4:3
hope it helps you
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