| Above | Data.Geometry.Line.Internal, Data.Geometry.Line, Data.Geometry |
| above | Data.Geometry.HalfSpace |
| Additive | Data.Geometry.Vector, Data.Geometry |
| Adj | Algorithms.Geometry.DelaunayTriangulation.Types |
| adj | Data.PlaneGraph.AdjRep |
| adjacencies | Data.PlaneGraph.AdjRep |
| Affine | Data.Geometry.Vector, Data.Geometry |
| affineTransformation | Data.Geometry.Ellipse |
| alignWith | Data.Geometry.Arrangement.Internal |
| allPairs | Data.Geometry.Arrangement.Internal |
| AlwaysTrueIntersection | Data.Geometry.Properties, Data.Geometry |
| anchorPoint | Data.Geometry.Line.Internal, Data.Geometry.Line, Data.Geometry |
| approximate | Data.Geometry.BezierSpline |
| Arc | |
| 1 (Type/Class) | Data.Geometry.Polygon.Inflate |
| 2 (Data Constructor) | Data.Geometry.Polygon.Inflate |
| arcCenter | Data.Geometry.Polygon.Inflate |
| arcEdge | Data.Geometry.Polygon.Inflate |
| area | |
| 1 (Function) | Data.Geometry.Triangle |
| 2 (Function) | Data.Geometry.Polygon, Data.Geometry |
| Arity | Data.Geometry.Vector.VectorFamily, Data.Geometry.Vector, Data.Geometry |
| Arrangement | |
| 1 (Type/Class) | Data.Geometry.Arrangement.Internal, Data.Geometry.Arrangement |
| 2 (Data Constructor) | Data.Geometry.Arrangement.Internal, Data.Geometry.Arrangement |
| ArrangementBoundary | Data.Geometry.Arrangement.Internal, Data.Geometry.Arrangement |
| asLineSegment | Data.Geometry.PolyLine, Data.Geometry |
| asLineSegment' | Data.Geometry.PolyLine, Data.Geometry |
| asProperInterval | Data.Geometry.Interval, Data.Geometry.LineSegment.Internal, Data.Geometry.LineSegment, Data.Geometry |
| asRange | Data.Geometry.IntervalTree |
| asSingleton | Data.Geometry.KDTree |
| Assoc | |
| 1 (Type/Class) | Data.Geometry.SegmentTree.Generic, Data.Geometry.SegmentTree |
| 2 (Type/Class) | Data.Geometry.RangeTree |
| 3 (Data Constructor) | Data.Geometry.RangeTree |
| assoc | Data.Geometry.SegmentTree.Generic, Data.Geometry.SegmentTree |
| Associated | |
| 1 (Type/Class) | Algorithms.Geometry.LineSegmentIntersection |
| 2 (Data Constructor) | Algorithms.Geometry.LineSegmentIntersection |
| associated | Algorithms.Geometry.LineSegmentIntersection |
| AssocT | Data.Geometry.RangeTree |
| atomicRange | Data.Geometry.SegmentTree.Generic, Data.Geometry.SegmentTree |