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Circles, SM-Bank 030

Calculate the diameter of a circle with a circumference of 24 centimetres, correct to 1 decimal place.  (2 marks)

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\(7.6\ \text{cm}\ (1\ \text{d.p.})\)

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\(C\) \(=\pi d\)
\(24\) \(=\pi d\)
\(d\) \(=\dfrac{24}{\pi}\)
  \(=7.639\dots\)
  \(=7.6\ \text{cm}\ (1\ \text{d.p.})\)

Filed Under: Circles Tagged With: num-title-ct-core, smc-4841-15-Circumference

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