The total surface area of a sphere is 8π square unit.

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The total surface area of a sphere is 8π square unit. The volume of the sphere is

Surface area of sphere = 4πr²
⇒ 4πr⊃2; = 8π
⇒ r² = 2 ⇒ r ⇒ √2 units

∴ Volume of sphere =	4	πr³ =	4	π × (√2)³
	8		2

=	8√2	π cubic units
	3

	8	π cubic unit
	3

	8√3	π cubic unit
	5