A solid sphere and a solid hemisphere have the same total

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A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π= 22/7)

Radius of solid sphere = R units
Radius of solid hemisphere = r units
According to the question,
4πR² = 3πr²
⇒ 4R² = 3r²

⇒	R²	=	3	⇒	R	=	√3
	r²		4		r		2

∴ Ratio of volumes =

πR³

= 2

= 3√3 : 4

√3

3√3

πr³