the volume of a hemisphere is 4four times that of a sphere. find the ratio of the radius of the hemisphere to that of the sphere
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Hello Mate!
Volume of hemisphere = 4 ( volume of sphere )
Volume of hemisphere = 2/3 πr³
Volume of sphere = 4/3 πr³
2/3 πR³ = 4 × 4/3 πr³
R³ / r³ = ( 16π/3 )/( 2π/3
( R / r )³ = 8 / 1
R / r = 2 / 1
R : r = 2 : 1
Have great future ahead!
Volume of hemisphere = 4 ( volume of sphere )
Volume of hemisphere = 2/3 πr³
Volume of sphere = 4/3 πr³
2/3 πR³ = 4 × 4/3 πr³
R³ / r³ = ( 16π/3 )/( 2π/3
( R / r )³ = 8 / 1
R / r = 2 / 1
R : r = 2 : 1
Have great future ahead!
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