The volume and surface area of a sphere are numerically equal find the diameter of the sphere
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Diameter = 6 unit
Surface area of a sphere =
Volume of a sphere =
Surface area of a sphere = volume of a sphere
=
Then, 4 =
4 × 3 = 4r
12 = 4r
= r
3 = r
Radius = 3
Diameter = 2r
Diameter = 2 × 3
Therefore, diameter = 6 unit.
If unit is not given, then you should write just 'unit' after your answer.
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