Calculates the perimeter of a sector of a circle.
// Returns 15.707963267948967const perimeter = Chalkboard.geom.sectorP(5, Chalkboard.PI()); Copy
// Returns 15.707963267948967const perimeter = Chalkboard.geom.sectorP(5, Chalkboard.PI());
The radius
The spanned radians
Calculates the perimeter of a sector of a circle.
Example