find the ratio of total surface area of a sphere and solid hemisphere of same radius
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4
Total surface Area of sphere / Total surface area of hemisphere
3πr²/4πr². (r=radius)
Since radius is same , so πr² got cancelled
Hence ratio = 3:4
3πr²/4πr². (r=radius)
Since radius is same , so πr² got cancelled
Hence ratio = 3:4
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3
Ratio=4pie r square: 3pie r square=4:3
The required ratio is 4:3
The required ratio is 4:3
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