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what is the formula for area of a circle sector. The formula for the area of a sector is angle 360 x p x radius2. So whats the area for the sector of a circle.
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P r 2 displaystyle pi r 2. Just use p 314 and replace the value of r and n into the formula to get the area However what is a sector. Which can be simplified to.
If the central angle is given in radians then the formula for calculating the area of a sector is.
A r L 2 A r L 2. In the formula given A is the area of the sector N is the degree of the central angle of the sector pi is an irrational number that can be rounded to 314 and r is the length of the radius of the circle. Therefore area of the sector is th th 360 p r 2. Then the area of a sector of circle formula is calculated using the unitary method.
