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volume of sphere =4/3 \pi r3
volume of hemis= 2/3 \pi r3
so first take common
              then eq become
     volume of sphere : vol of hemissphere
2 5 2
Volume of sphere =  \frac{4}{3}πr³
volume of hemisphere =  \frac{2}{3} πr³
ratio of volume of sphere and hemisphere = 2:1
0 0 0
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