Find the volume of a sphere of radius 2.1 , c | vedclass

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(C) For a given sphere,the radius $(r) = 2.1 \, cm = \frac{21}{10} \, cm$.The formula for the volume of a sphere is $V = \frac{4}{3} \pi r^3$.Substitu

Vedclass · Accepted Answer

$38.808$

Vedclass · Answer

(C) For a given sphere,the radius $(r) = 2.1 \, cm = \frac{21}{10} \, cm$.The formula for the volume of a sphere is $V = \frac{4}{3} \pi r^3$.Substituting the values:$V = \frac{4}{3} 	imes \frac{22}{7} 	imes \left(\frac{21}{10}ight)^3 \, cm^3$$V = \frac{4}{3} 	imes \frac{22}{7} 	imes \frac{21}{10} 	imes \frac{21}{10} 	imes \frac{21}{10} \, cm^3$$V = 4 	imes 22 	imes \frac{1}{1} 	imes \frac{1}{1} 	imes \frac{0.1}{1} 	imes 2.1 	imes 2.1 \, cm^3$ (simplifying $3 	imes 7 = 21$ with one $21$ in the numerator)$V = 88 	imes 0.1 	imes 4.41 \, cm^3$$V = 8.8 	imes 4.41 \, cm^3 = 38.808 \, cm^3$.

Find the volume of a sphere of radius $2.1 \, cm$. (in $cm^3$)

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