Geometry NotionPolytopeAngleDisplacementFractalPlanePythagorean TheoremQuaternionCoordinateQuadraticsDistancePatternIsotropeCentroidRotationLine Geometry FieldsAlgebraic GeometryEuclidean GeometryRiemannian GeometryDifferential GeometryComplex GeometryComputational GeometryEuclid GeometryInformation GeometryProjective GeometryAnalytic geometry