Question

Q. 6. The radius of a sphere is 2r, and then its volume
will be​

Answer 1

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Answer 2

$volume \: = \: 4 \div 3 \times \pi \times {r}^{3}$

$volume \: = \: 4 \div 3 \times \pi \times ({2r})^{3}$

$volume \: = \: 4 \div 3 \times \pi \times 8 {r}^{3}$

Hope it helps