API Reference > geometry-core > Curve > Arc3d > curveLength curveLength Method If this is a circular arc, return the simple length derived from radius and sweep. Otherwise (i.e. if this elliptical) fall through to CurvePrimitive base implementation which Uses quadrature. curveLength(): number Returns - number Defined in curve/Arc3d.ts Line 415 Last Updated: 11 June, 2024