Question

what is the sectorial formula of a circle?​

Answer 1

Hlo...

In a circle with center O and radius r, let OPAQ be a sector and θ (in degrees) be the angle of the sector. Area of the circular region is πr². Let this region be a sector forming an angle of 360° at the centre O. Then, area of a sector of circle formula is calculated using the unitary method.

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