What is the volume of the hemisphere with radius $21$ cm?

16404

c m^{3}

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17404

c m^{3}

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18404

c m^{3}

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19404

c m^{3}

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Solution

The correct option is C $19404$ $c m^{3}$
Given, radius of hemisphere $= 21$ cm
Volume of the hemisphere $=$ $\frac{2}{3} π r^{3}$
$=$ $\frac{2}{3} \times \frac{22}{7} \times 21^{3}$
$=$ $19404$ $c m^{3}$

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What is the volume of the hemisphere with radius 21 cm?

The correct option is C 19404 cm3Given, radius of hemisphere =21 cmVolume of the hemisphere = 23πr3= 23×227×213= 19404 cm3

What is the volume of the hemisphere with radius $21$ cm?

The correct option is C $19404$ $c m^{3}$
Given, radius of hemisphere $= 21$ cm
Volume of the hemisphere $=$ $\frac{2}{3} π r^{3}$
$=$ $\frac{2}{3} \times \frac{22}{7} \times 21^{3}$
$=$ $19404$ $c m^{3}$