AddDimAngular Method 
Creates an angular dimension for an arc, two lines, or a circle.
Signature
RetVal = object.AddDimAngular(AngleVertex, FirstEndPoint, SecondEndPoint, TextPoint)
Object
ModelSpace Collection,
PaperSpace
Collection, Block
The object or objects this method applies to.
AngleVertex
Variant (threeelement array of doubles);
inputonly
The 3D WCS coordinates specifying the center of the circle or arc,
or the common vertex between the two dimensioned lines.
FirstEndPoint
Variant (threeelement array of doubles);
inputonly
The 3D WCS coordinates specifying the point through which the first
extension line passes.
SecondEndPoint
Variant (threeelement array of doubles);
inputonly
The 3D WCS coordinates specifying the point through which the
second extension line passes.
TextPoint
Variant (threeelement array of doubles);
inputonly
The 3D WCS coordinates specifying the point at which the dimension
text is to be displayed.
RetVal
DimAngular object
The newly created angular dimension.
Remarks

The AngleVertex is the center of the circle or arc, or the common vertex between the two lines being dimensioned. FirstEndPoint and SecondEndPoint are the points through which the two extension lines pass.
The AngleVertex can be the same as one of the angle endpoints. If you need extension lines, they will be added automatically. The endpoints provided are used as origin points for the extension lines.
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