natalieareyna
natalieareyna natalieareyna
  • 03-06-2017
  • Mathematics
contestada

C is the center of the circle. Find the length of arc DGE.

C is the center of the circle Find the length of arc DGE class=

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jdoe0001 jdoe0001
  • 03-06-2017
[tex]\bf \textit{arc's length}\\\\ s=\cfrac{\theta r\pi }{180}\qquad \begin{cases} r=radius\\ \theta=\textit{angle in degrees}\\ ----------\\ \theta=360-115\\ \qquad 245\\ r=14 \end{cases}\implies s=\cfrac{245\cdot 14\cdot \pi }{180}\\\\\\
s=\cfrac{3430\pi }{180}\implies s=\cfrac{343\pi }{18}\iff s\approx 59.864793[/tex]
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mreijepatmat
mreijepatmat mreijepatmat
  • 03-06-2017
Length of an arc, knowing the radius and the central angle:

Arc length = (Ф/360) x (2πR)


ARC LENGTH: =(135/360)X 2π.14

ARC LENGTH 21π/2 OR 32.98 UNIT
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