Circle Sector Calculator

    Calculate area and arc of a sector

    °

    Formula

    A = ½r²θ, Arc = rθ

    Sector area and arc length from radius and central angle.

    Examples

    r=10, 90°

    Area = 78.54, Arc = 15.71.

    Frequently Asked Questions

    About Circle Sector

    Calculate area and arc length of a circle sector.