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rSector Area Calculator

From the proportion we can easily find the final sector area formula: Sector Area = α × πr² / 2π = α × r² / 2 The same method may be used to find arc length - all you need to
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Area of a circular sector Calculator

Step 3: Substitute the values and calculate the area of a sector of a circle. Area = 3.1415 × (12) 2 × (45° / 360) Area = 3.1415 × 144 × (45° / 360) Area = 3240 cm 2. So, the sector area of a circle
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