Question
If the volume of a solid hemisphere is 155232cm³ then
find the diameter of the solid hemisphere.Solution
The volume of a solid hemisphere =2/3 πr3 2/3 πr3  = 155232 2/3 ×22/7 ×r3 = 155232 r3= 3528×21 =441×8×21 r=21×2= 42          Then diameter of solid hemisphere = 42 ×2=84cm
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