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Area of a Sector Formula :

$$\text{A}\;=\;\frac{1}{2}θr^2$$

Where,

  • A shows Area of a Sector.
  • θ is the angle of the sector.
  • r is the length of the radius.

$$\text{A}\;=\;\frac{x}{360}πr^2$$

Where,

  • A shows Area of a Sector.
  • x is the angle of the sector.
  • r is the length of the radius.>