The Area of the Sector of a Circle formula, A = ½•r²•Θ, computes the area of a sector of a circle (e.g. pie slice) based Sector of a Circle on the radius and angle defining the sector.
INSTRUCTIONS: Choose your preferred angle and length units and enter the following:
Area of a Circle Sector (A): The calculator returns the area of the sector (A) in square meters. However, this can be automatically converted into many other area units via the pull-down menu.