Question

the radius of a sphere is 2 r, then find its volume

Answer 1

vol.of sphere= 4/3pie×r^3
=4/3pie×(2r)^3
=4/3pie×8×r^3
=32 pie×r^3/3

Answer 2

R=2r

volume of sphere = 4/3π r^3

volume = 4/3π × (2r)​^3

volume = 32/3 πr^3

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