sabatofrankie
sabatofrankie sabatofrankie
  • 26-05-2017
  • Mathematics
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how do you find the area of a sector with a central angle of 170 degrees and a diameter of 9.1

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jdoe0001 jdoe0001
  • 26-05-2017
[tex]\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta\pi r^2}{360}\qquad \begin{cases} \theta=\textit{angle in degrees}\\ r=radius=\frac{diameter}{2}\\ ----------\\ \theta=170\\ diameter=9.1\\ r=\frac{9.1}{2}=4.55 \end{cases}\implies A=\cfrac{170\cdot \pi \cdot 4.55^2}{360}[/tex]
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