Calculate the area of a circular sector using A = ½r²θ. Enter the radius and central angle.
Calculate the area of a circular sector using A = ½r²θ. Enter the radius and central angle.
The radius of the circle.
The angle at the center of the circle.
The area of a sector equals one-half the radius squared times the central angle in radians.
How this calculator works
The area of a sector equals one-half the radius squared times the central angle in radians.
Common questions about this calculator
