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CUET
General Aptitude Test
Quantitative Reasoning
Mensuration: 3D
The volume of a hemisphere is 486$\pi$ cm³. Find the radius.
7 cm
9 cm
4 cm
8 cm
Volume of a hemisphere = $\frac{2}{3} \pi r^3$
⇒ $\frac{2}{3} \pi r^3$ = 486$\pi$
⇒ $r^3$ = 729
⇒ Radius = 9 cm