diff --git a/src/Mod/Part/App/Geometry.cpp b/src/Mod/Part/App/Geometry.cpp
index a461fe6eca..fa2ed4043e 100644
--- a/src/Mod/Part/App/Geometry.cpp
+++ b/src/Mod/Part/App/Geometry.cpp
@@ -2428,11 +2428,24 @@ void GeomArcOfCircle::setRadius(double Radius)
     }
 }
 
+/*!
+ * \brief GeomArcOfCircle::getAngle
+ * \param emulateCCWXY: if true, the arc will pretend to be a CCW arc in XY plane.
+ * For this to work, the arc must lie in XY plane (i.e. Axis is either +Z or -Z).
+ */
+double GeomArcOfCircle::getAngle(bool emulateCCWXY) const
+{
+    double startangle, endangle;
+    getRange(startangle, endangle, emulateCCWXY);
+    double angle = endangle - startangle;
+    return angle;
+}
+
 /*!
  * \brief GeomArcOfCircle::getRange
  * \param u [out] start angle of the arc, in radians.
  * \param v [out] end angle of the arc, in radians.
- * \param emulateCCWXY: if true, the arc will pretent to be a CCW arc in XY plane.
+ * \param emulateCCWXY: if true, the arc will pretend to be a CCW arc in XY plane.
  * For this to work, the arc must lie in XY plane (i.e. Axis is either +Z or -Z).
  * Additionally, arc's rotation as a whole will be included in the returned u,v
  * (ArcOfCircle specific).
diff --git a/src/Mod/Part/App/Geometry.h b/src/Mod/Part/App/Geometry.h
index 6ca3eb8e33..aa92f85c2e 100644
--- a/src/Mod/Part/App/Geometry.h
+++ b/src/Mod/Part/App/Geometry.h
@@ -502,6 +502,8 @@ public:
     double getRadius() const;
     void setRadius(double Radius);
 
+    double getAngle(bool emulateCCWXY) const;
+
     void getRange(double& u, double& v, bool emulateCCWXY) const override;
     void setRange(double u, double v, bool emulateCCWXY) override;
 
diff --git a/src/Mod/Sketcher/Gui/CommandConstraints.cpp b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
index b9ef7c96d4..89f8e68f8f 100644
--- a/src/Mod/Sketcher/Gui/CommandConstraints.cpp
+++ b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
@@ -8772,7 +8772,7 @@ void CmdSketcherConstrainAngle::activated(int iMsg)
                 return;
             }
         }
-        else if (isEdge(GeoId1, PosId1)) {// line angle
+        else if (isEdge(GeoId1, PosId1)) {// line angle or arc angle
             if (GeoId1 < 0 && GeoId1 >= Sketcher::GeoEnum::VAxis) {
                 Gui::TranslatedUserWarning(
                     Obj,
@@ -8812,9 +8812,7 @@ void CmdSketcherConstrainAngle::activated(int iMsg)
             }
             else if (isArcOfCircle(*geom)) {
                 auto arc = static_cast<const Part::GeomArcOfCircle*>(geom);
-                double startangle, endangle;
-                arc->getRange(startangle, endangle, /*EmulateCCWXY=*/true);
-                double angle = endangle - startangle;
+                double angle = arc->getAngle(/*EmulateCCWXY=*/true);
 
                 openCommand(QT_TRANSLATE_NOOP("Command", "Add angle constraint"));
                 Gui::cmdAppObjectArgs(selection[0].getObject(),