anonymous
  • anonymous
how do u find the area of a sector?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
What shape is the sector? triangular. rectangular. square? cube?
anonymous
  • anonymous
it is a circle with like 1/4 shaded wiht one side says 2 and is a90 degrree angel
anonymous
  • anonymous
the formula for the are of a circle is \[A={\Pi}r^2\]

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anonymous
  • anonymous
you find the proportion of the total area by finding the angle ratio. Let a be the angle of the shaded area. Then the fraction of the total area that is shaded is a/360. So the area of the shaded region is \[(a/360)*\pi r^{2}\] in your case a=90 90/360=1/4 r=2 ( i think this is what you mean by a side saying 2) \[A=(1/4)\pi 2^{2}=\pi\]

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