Question
Volume of a sphere whose radius is 7cm.
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Answer
- $1437\frac{1}{3}\text{cm}^3$
Volume of sphere $=\frac{4}{3}\pi\text{r}^3(\text{Given r}=7\text{cm})$
$=\frac{4}{3}\times\frac{22}{7}\times7^3$
$=\frac{88\times343}{7\times3}$
$=1437\frac{1}{3}\text{cm}^3$
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