Question

the area of circle 38.5 metre square find its circumference in centimetre


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Answer 1

$are a \: of \: circle = \pi \: r {}^{2} = 38.5$

$r {}^{2} = 38.5 \times \frac{7}{22}$

$r = \sqrt{38.5 \times \frac{7}{22} }$

then diameter = 2r

$circumference = 2\pi \: r$

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Answer 2

Answer:

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Step-by-step explanation:

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