Question

The circumference of a circle is 62.80sqcm find its diameter

Answer 1

$\mathfrak{\bold{answer : }} \\ \\ \bold{circumference \: of \: a \: circle : 62.80 \: {cm}^{2} } \\ \\ \bold{2 \times \pi \times r \: = \: 62.80} \\ \\ \bold{r = \frac{ 62.80}{3.14\times 2}}$

$\bold{r = 10\: cm} \\ \\ \\ \\ \huge{\mathfrak{\bold{circumference : }}} \\ \\ \bold{actually \: each \: figure \: has \: edges \: } \\ \\ \bold{resulting : \: perimeter \: of \: any} \\ \\ \bold{figure \: literally \: means \:sum \: of} \\ \\ \bold{measures \: of \: edges \: of \: any \: figure \: }$

$\\ \\ \bold{in \: the \: same \: way : } \\ \\ \bold{perimeter \: of \: circle \: is \: called \: as : } \\ \\ \bold{circumference} \\ \\ \\ \\ \huge\bold{formula : }$

$\bold{circumference \: of \: a \: circle : } \\ \\ \bold{2 \times \pi \times r}$

Answer 2

radius is 10cm
diameter of circle =2r
=2 ✖ 10
=20 CM