| Geometry | 
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| Geometers | 
This is a list of geometry topics.
Types, methodologies, and terminologies of geometry.
- Absolute geometry
 - Affine geometry
 - Algebraic geometry
 - Analytic geometry
 - Archimedes' use of infinitesimals
 - Birational geometry
 - Complex geometry
 - Combinatorial geometry
 - Computational geometry
 - Conformal geometry
 - Constructive solid geometry
 - Contact geometry
 - Convex geometry
 - Descriptive geometry
 - Differential geometry
 - Digital geometry
 - Discrete geometry
 - Distance geometry
 - Elliptic geometry
 - Enumerative geometry
 - Epipolar geometry
 - Finite geometry
 - Fractal geometry
 - Geometry of numbers
 - Hyperbolic geometry
 - Incidence geometry
 - Information geometry
 - Integral geometry
 - Inversive geometry
 - Inversive ring geometry
 - Klein geometry
 - Lie sphere geometry
 - Non-Euclidean geometry
 - Noncommutative algebraic geometry
 - Noncommutative geometry
 - Numerical geometry
 - Ordered geometry
 - Parabolic geometry
 - Plane geometry
 - Projective geometry
 - Quantum geometry
 - Riemannian geometry
 - Ruppeiner geometry
 - Spherical geometry
 - Symplectic geometry
 - Synthetic geometry
 - Systolic geometry
 - Taxicab geometry
 - Toric geometry
 - Transformation geometry
 - Tropical geometry
 
Euclidean geometry foundations
Euclidean plane geometry
- 2D computer graphics
 - 2D geometric model
 - Altitude
 - Brahmagupta's formula
 - Bretschneider's formula
 - Compass and straightedge constructions
 - Complex geometry
 - Conic section
 - Curve of constant width
 - Frieze group
 - Golden angle
 - Holditch's theorem
 - Interactive geometry software
 - Involutes
 - Parallel postulate
 - Polygon
 - Pons asinorum
 - Quadrilateral
 - Sangaku
 - Straightedge
 - Symmedian
 - Tessellation
 - Trapezoid (trapezium)
 - Triangle
 - Trigonometry
 - Wallpaper group
 
3-dimensional Euclidean geometry
- 3D projection
 - 3D computer graphics
 - Borromean rings
 - Cavalieri's principle
 - Cross section
 - Crystal
 - Cuisenaire rods
 - Desargues' theorem
 - Right circular cone
 - Hyperboloid
 - Napkin ring problem
 - Pappus's centroid theorem
 - Paraboloid
 - Polyhedron
 - 3-sphere, spheroid, ellipsoid
 - Soddy's hexlet
 - Sphericon
 - Stereographic projection
 - Stereometry
 
n-dimensional Euclidean geometry
Other geometries (not Euclidean)
- Projective geometry
- Arc (projective geometry)
 - Desargues' theorem
 - Girard Desargues
 - Desarguesian plane
 - Line at infinity
 - Point at infinity
 - Plane at infinity
 - Hyperplane at infinity
 - Projective line
 - Projective plane
 - Projective space
 - Complex projective line
 - Complex projective plane
 - Fundamental theorem of projective geometry
 - Projective transformation
 - Cross-ratio
 - Duality
 - Homogeneous coordinates
 - Pappus's hexagon theorem
 - Incidence
 - Pascal's theorem
 
 - Affine geometry
 - Finite geometry
 - Differential geometry
 - Non-Euclidean plane geometry
 - Angle excess
 - Hyperbolic geometry
 - Elliptic geometry
 - Minkowski space
 - Thurston's conjecture
 
Numerical geometry
Geometric algorithms
Mathematical morphology
Generalizations
Various
- Coordinate-free treatment
 - Chirality
 - Erlangen program
 - Four-dimensional space
 - Geometric shape
 - Geometric space
 - Group action, invariant
 - Hadwiger's theorem
 - Infinitesimal transformation
 - Pi
 - Polar sine
 - Symmetry, shape, pattern
 - Mathematics and fiber arts
 - Van Hiele model - Prevailing theory of how children learn to reason in geometry
 
Applications
- Astronomy
 - Computer graphics
 - Image analysis
 - Robot control
 - The Strähle construction is used in the design of some musical instruments.
 - Burmester's theory for the design of mechanical linkages
 
See also
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