The Degree Measure of the Angle at the Centre of a Circle is Theta. The length of an ARC of the Sector | Bzziii.com

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The degree measure of the angle at the centre of a circle is theta. The length of an arc of the sector is:

  `\frac{\theta\pi r}{\sqrt{90}}`
  `\frac{\theta\pi r}{\sqrt{180}}`
  `\frac{\theta\pi r}{\sqrt{270}}`
  `\frac{\theta\pi r}{\sqrt{360}}`





  `\frac{\theta\pi r}{\sqrt{360}}`






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