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Circles, SM-Bank 023

Calculate the circumference of the circle below correct to one decimal place.  (2 marks)

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\(38.3\ \text{m}\ \ (1\ \text{d.p.})\)

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\(C\) \(=\pi d\)
  \(=\pi\times 12.2\)
  \(=38.3274\dots\)
  \(=38.3\ \text{m}\ \ (1\ \text{d.p.})\)