Question

find the circumference of a circle whose area is 30 1.8 4 cm square

Answer 1

this may help on answering your question

Answer 2

$\: \: \color{red}\huge \star \: heya \: mate \: \star \\ \\ \: \: \: \: \: \: \: \: \: \underline{ \color{blue}\bf{here \: is \: your \: answer}} \\ \\ \underline{\bf{the \: area \: of \: circle \: is \: equal \: to\: - \: \pi {r}^{2} }} \\ the \: area \: of \: circle \: is \: given \: - 301.48 \\ \\ \pi {r}^{2} = 301.48 \\ ( \pi= \frac{22}{7} ) \\ \frac{22}{7} \times {r}^{2} = 301.48 \\ {r }^{2} = \frac{301.48 \times 7}{22} = r = \sqrt{95} \: (approx) \\ \bf{the \: circumference \: of \: circle \: is - } \\ 2\pi \: r - \\ \bf{= 2 \times \frac{22}{7 } \times \sqrt{95} } \\ = 61.26 \\ \\ \color{blue} \huge hope \: its \: helpful \\ \color{red}\huge \star \: \star \: \star \: \star \: \star \: \star \: \star \: \star \: \star \\ \\ \color{green}\huge brainly \: stars$