Question

find the volume of a sphere whose radius is 7cm​

Answer 1

Hey mate ,

Volume of sphere= 4/3 π r^3

= 4/3 × 22/7 × 7 ×7 × 7

= 1437.33 cm cube

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Answer 2

$4 \div 3\pi \: r {}^{3}$

4/3 × 7^3 × 22/ 7

4/3 ×49 × 22

1437.3 cm^3