ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Geometry Namespace / LineSegment Class / Angle Property

Angle Property (LineSegment)
The angle in radians between the positive X-axis and this line in a counter clockwise direction.
Syntax
public double Angle {get;}
Remarks

Line Segment

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also