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Circular Sector Area Calculator
Circular Sector Area Calculator
High-precision geometry calculations
Category
Plane
Solid
Shape
Square
Rectangle
Circle
Ellipse
Triangle
Parallelogram
Trapezoid
Regular Polygon
Sector
Segment
r
θ
Precision
6 digits
Angle Unit
Radians
Degrees
Radius (r)
Angle θ (°)
Area
Copy
0.5
Formula:
1
2
r
2
θ
\frac{1}{2}r^2\theta
2
1
r
2
θ
Perimeter / Circumference
Copy
3
Formula:
2
r
+
r
θ
2r + r\theta
2
r
+
r
θ
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