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  • 10-06-2019
  • Mathematics
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what is the area of a sector

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Thedevilsdaugther
Thedevilsdaugther Thedevilsdaugther
  • 10-06-2019
The area of a sector of a circle is ½ r² ∅, where r is the radius and ∅ the angle in radians subtended by the arc at the centre of the circle. So in the below diagram, the shaded area is equal to ½ r² ∅ .
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