The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)
Radius of hemisphere, $$r = 21$$ cm
Volume of hemisphere = $$\frac{2}{3} \pi r^3$$
= $$\frac{2}{3} \times \frac{22}{7} \times (21)^3$$
= $$44 \times 21 \times 21$$
= $$19404 cm^3$$
=> Ans - (C)
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