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  • qais
  • Content Quality
2016-03-25T16:49:48+05:30
Considering the hemisphere is hollow.
outer diameter = 10 cm
outer radius = 5 cm
thickness = 1 cm
inner diameter = 10 -2 = 8 cm
inner radius = 4 cm
volume of the iron sheet required = (2/3)π[(5)³-(4)³] = 127.8 cm³
if we consider it closed then we have to take the base material also.
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