LayshaR468329 LayshaR468329
  • 25-10-2022
  • Mathematics
contestada

How do you get the central angle with the radius and arc length with the formula theta/360 x 2 x pi x r ?

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RomelP641201 RomelP641201
  • 25-10-2022

The formula is ,

[tex]\begin{gathered} =\pi r^2 \\ =\frac{\theta}{360}\times\pi\times r^2 \end{gathered}[/tex]

If the area of the given quater of the circle is given then we can find the value of theta.

And if the arc length is given then we can also find the angle

[tex]\begin{gathered} l=\theta\times r \\ \theta=\frac{l}{r} \end{gathered}[/tex]

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