Circle Sector Calculator
Calculations in the circular sector. A circular sector is formed by a circle and an angle originating from the center. Enter the radius and angle. Then click the “Calculate” button.
.Circular sector
Radius (r)
Corner (α)
Arc length (l)
Perimeter (p)
Square (S)
Formulas
l = 2 * r * π * α / 360°
p = l + 2 * r
S = r2 * π * α / 360°