Question

Find the radius of a circle whose circrumfrance is 57.2cm

Answer 1

Answer:

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Answer 2

Answer:

$\sf \: 2πr=57.2cm \\ \sf r= \frac{5 7.2}{2\pi} \\ \sf \: r=9.1cm \\ \sf \: Hence \: the \: radius \: is  \: 9.1cm$