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Elementary geometry
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Mathematics
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Elementary mathematics
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314
Table of contents
314
1. Angle
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Elementary geometry
47
1.1. Angle measuring instruments
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Angle
1.2. Units of angle
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Angle
1.3. Angle of incidence (aerodynamics)
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Angle
1.4. Angle of parallelism
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Angle
1.5. Angular distance
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Angle
1.6. Angular frequency
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Angle
1.7. Angular resolution
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Angle
1.8. Angular velocity
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Angle
1.9. Angular velocity tensor
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Angle
1.10. Axis–angle representation
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Angle
1.11. Bevel
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Angle
1.12. Conformal map
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Angle
1.13. Davenport chained rotations
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Angle
1.14. Declination
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Angle
1.15. Dihedral angle
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Angle
1.16. Elevation (ballistics)
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Angle
1.17. Euler angles
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Angle
1.18. Exterior angle theorem
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Angle
1.19. Gimbal lock
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Angle
1.20. Golden angle
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Angle
1.21. Grade (slope)
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Angle
1.22. Horn angle
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Angle
1.23. Hyperbolic angle
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Angle
1.24. Hyperbolic orthogonality
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Angle
1.25. Inscribed angle
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Angle
1.26. Law of cosines
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Angle
1.27. Law of sines
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Angle
1.28. Magnetic declination
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Angle
1.29. Parallactic angle
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Angle
1.30. Perceived visual angle
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Angle
1.31. Phase angle (astronomy)
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Angle
1.32. Polar distance (astronomy)
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Angle
1.33. Position angle
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Angle
1.34. Pythagorean theorem
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Angle
1.35. Right angle
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Angle
1.36. Right ascension
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Angle
1.37. Scale of chords
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Angle
1.38. Selenographic coordinate system
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Angle
1.39. Sine and cosine
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Angle
1.40. Sinus totus
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Angle
1.41. Sliding T bevel
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Angle
1.42. Solid angle
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Angle
1.43. Spherical angle
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Angle
1.44. Subtended angle
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Angle
1.45. Target angle
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Angle
1.46. Vertex angle
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Angle
1.47. Visual angle
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Angle
2. Elementary geometry stubs
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Elementary geometry
27
2.1. Anthropomorphic polygon
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Elementary geometry stubs
2.2. Apex (geometry)
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Elementary geometry stubs
2.3. Aristarchus's inequality
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Elementary geometry stubs
2.4. Auxiliary line
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Elementary geometry stubs
2.5. Axial symmetry
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Elementary geometry stubs
2.6. Bottema's theorem
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Elementary geometry stubs
2.7. Braikenridge–Maclaurin theorem
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Elementary geometry stubs
2.8. Brocard triangle
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Elementary geometry stubs
2.9. Capsule (geometry)
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Elementary geometry stubs
2.10. Circle packing in a circle
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Elementary geometry stubs
2.11. Circle packing in a square
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Elementary geometry stubs
2.12. Circle packing in an equilateral triangle
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Elementary geometry stubs
2.13. Circle packing in an isosceles right triangle
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Elementary geometry stubs
2.14. Crossbar theorem
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Elementary geometry stubs
2.15. Eleven-point conic
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Elementary geometry stubs
2.16. Eyeball theorem
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Elementary geometry stubs
2.17. GEOS circle
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Elementary geometry stubs
2.18. Jacobi's theorem (geometry)
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Elementary geometry stubs
2.19. Limiting point (geometry)
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Elementary geometry stubs
2.20. Moss's egg
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Elementary geometry stubs
2.21. Pasch's theorem
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Elementary geometry stubs
2.22. Plane symmetry
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Elementary geometry stubs
2.23. Poncelet point
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Elementary geometry stubs
2.24. Tangential triangle
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Elementary geometry stubs
2.25. Tarry point
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Elementary geometry stubs
2.26. Transversal plane
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Elementary geometry stubs
2.27. Woo circles
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Elementary geometry stubs
3. Elementary shapes
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Elementary geometry
26
3.1. Circles
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Elementary shapes
3.2. Cubes
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Elementary shapes
3.3. Cuboids
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Elementary shapes
3.4. Spheres
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Elementary shapes
3.5. Triangles
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Elementary shapes
3.6. Circle
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Elementary shapes
3.7. Cone
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Elementary shapes
3.8. Cube
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Elementary shapes
3.9. Cuboid
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Elementary shapes
3.10. Cylinder
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Elementary shapes
3.11. Decagon
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Elementary shapes
3.12. Dodecagon
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Elementary shapes
3.13. Ellipse
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Elementary shapes
3.14. Hendecagon
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Elementary shapes
3.15. Heptagon
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Elementary shapes
3.16. Hexagon
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Elementary shapes
3.17. Kite (geometry)
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Elementary shapes
3.18. Nonagon
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Elementary shapes
3.19. Octagon
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Elementary shapes
3.20. Oval
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Elementary shapes
3.21. Parallelogram
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Elementary shapes
3.22. Pentagon
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Elementary shapes
3.23. Rectangle
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Elementary shapes
3.24. Rhombus
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Elementary shapes
3.25. Square
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Elementary shapes
3.26. Trapezoid
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Elementary shapes
4. Euclidean plane geometry
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Elementary geometry
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4.1. Arithmetic problems of plane geometry
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Euclidean plane geometry
4.2. Compass and straightedge constructions
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Euclidean plane geometry
4.3. Constructible polygons
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Euclidean plane geometry
4.4. Euclidean tilings
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Euclidean plane geometry
4.5. Piecewise-circular curves
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Euclidean plane geometry
4.6. Planar surfaces
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Euclidean plane geometry
4.7. Plane curves
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Euclidean plane geometry
4.8. Planes (geometry)
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Euclidean plane geometry
4.9. 257-gon
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Euclidean plane geometry
4.10. 3-4-3-12 tiling
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Euclidean plane geometry
4.11. 3-4-6-12 tiling
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Euclidean plane geometry
4.12. 33344-33434 tiling
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Euclidean plane geometry
4.13. 65537-gon
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Euclidean plane geometry
4.14. 99 Points of Intersection
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Euclidean plane geometry
4.15. Angle trisection
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Euclidean plane geometry
4.16. Applications of dual quaternions to 2D geometry
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Euclidean plane geometry
4.17. Beta skeleton
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Euclidean plane geometry
4.18. Brianchon's theorem
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Euclidean plane geometry
4.19. Butterfly theorem
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Euclidean plane geometry
4.20. CC system
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Euclidean plane geometry
4.21. Ceva's theorem
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Euclidean plane geometry
4.22. Constructible polygon
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Euclidean plane geometry
4.23. Desargues's theorem
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Euclidean plane geometry
4.24. Descartes' theorem
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Euclidean plane geometry
4.25. Dinostratus' theorem
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Euclidean plane geometry
4.26. Doubling the cube
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Euclidean plane geometry
4.27. Euclidean plane isometry
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Euclidean plane geometry
4.28. Euclidean tilings by convex regular polygons
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Euclidean plane geometry
4.29. Gabriel graph
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Euclidean plane geometry
4.30. Gaussian period
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Euclidean plane geometry
4.31. Geometric mean theorem
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Euclidean plane geometry
4.32. Geometrography
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Euclidean plane geometry
4.33. Golden ratio
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Euclidean plane geometry
4.34. Heptadecagon
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Euclidean plane geometry
4.35. Japanese theorem for cyclic polygons
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Euclidean plane geometry
4.36. Japanese theorem for cyclic quadrilaterals
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Euclidean plane geometry
4.37. List of k-uniform tilings
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Euclidean plane geometry
4.38. Menelaus's theorem
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Euclidean plane geometry
4.39. Mixtilinear incircles of a triangle
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Euclidean plane geometry
4.40. Monge's theorem
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Euclidean plane geometry
4.41. Napoleon's problem
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Euclidean plane geometry
4.42. Neusis construction
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Euclidean plane geometry
4.43. Nine-point conic
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Euclidean plane geometry
4.44. Pappus's area theorem
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Euclidean plane geometry
4.45. Pappus's hexagon theorem
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Euclidean plane geometry
4.46. Pascal's theorem
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Euclidean plane geometry
4.47. Pasch's axiom
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Euclidean plane geometry
4.48. Philo line
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Euclidean plane geometry
4.49. Plastic number
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Euclidean plane geometry
4.50. Pole and polar
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Euclidean plane geometry
4.51. Polygon
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Euclidean plane geometry
4.52. Polygon with holes
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Euclidean plane geometry
4.53. Poncelet–Steiner theorem
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Euclidean plane geometry
4.54. Power of a point
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Euclidean plane geometry
4.55. Ptolemy's theorem
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Euclidean plane geometry
4.56. Quadrant (plane geometry)
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Euclidean plane geometry
4.57. Quadratrix of Hippias
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Euclidean plane geometry
4.58. Rotations and reflections in two dimensions
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Euclidean plane geometry
4.59. Special cases of Apollonius' problem
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Euclidean plane geometry
4.60. Special right triangle
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Euclidean plane geometry
4.61. Square trisection
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Euclidean plane geometry
4.62. Squaring the circle
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Euclidean plane geometry
4.63. Stewart's theorem
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Euclidean plane geometry
4.64. Thales's theorem
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Euclidean plane geometry
4.65. Tienstra formula
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Euclidean plane geometry
4.66. Zone theorem
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Euclidean plane geometry
5. Orthogonality
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Elementary geometry
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5.1. Orthogonal coordinate systems
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Orthogonality
5.2. Orthogonal wavelets
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Orthogonality
5.3. Normal (geometry)
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Orthogonality
5.4. Perpendicular
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Orthogonality
5.5. Perpendicular distance
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Orthogonality
5.6. Rectangular cuboid
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Orthogonality
6. Point (geometry)
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Elementary geometry
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6.1. Points defined for a triangle
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Point (geometry)
6.2. Position
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Point (geometry)
6.3. Antipodal point
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Point (geometry)
6.4. Orbital node
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Point (geometry)
6.5. Point Cloud Library
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Point (geometry)
6.6. Point in polygon
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Point (geometry)
6.7. Real point
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Point (geometry)
6.8. Subsolar point
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Point (geometry)
6.9. Vertex (geometry)
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Point (geometry)
7. AA postulate
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Elementary geometry
8. Angle bisector theorem
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Elementary geometry
9. Angular diameter
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Elementary geometry
10. Annulus (mathematics)
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Elementary geometry
11. Antiparallel (mathematics)
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Elementary geometry
12. Apollonian circles
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Elementary geometry
13. Bankoff circle
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Elementary geometry
14. Bicentric polygon
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Elementary geometry
15. Bicone
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Elementary geometry
16. Birkhoff's axioms
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Elementary geometry
17. Bisection
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Elementary geometry
18. Central angle
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Elementary geometry
19. Centre (geometry)
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Elementary geometry
20. Circumscribed sphere
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Elementary geometry
21. Concurrent lines
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Elementary geometry
22. Confocal
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Elementary geometry
23. Cross section (geometry)
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Elementary geometry
24. Crossed ladders problem
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Elementary geometry
25. Diagonal
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Elementary geometry
26. Diameter
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Elementary geometry
27. Edge (geometry)
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Elementary geometry
28. Equidistant
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Elementary geometry
29. Euclidean geometry
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Elementary geometry
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29.1. Constant width
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Euclidean geometry
29.2. Euclidean solid geometry
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Euclidean geometry
29.3. Foundations of geometry
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Euclidean geometry
29.4. Geometric dissection
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Euclidean geometry
29.5. Kinematics
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Euclidean geometry
29.6. Multi-dimensional geometry
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Euclidean geometry
29.7. Reflection groups
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Euclidean geometry
29.8. Apollonius's theorem
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Euclidean geometry
29.9. Apotome (mathematics)
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Euclidean geometry
29.10. Book of Lemmas
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Euclidean geometry
29.11. British flag theorem
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Euclidean geometry
29.12. Busemann's theorem
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Euclidean geometry
29.13. Casey's theorem
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Euclidean geometry
29.14. Commandino's theorem
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Euclidean geometry
29.15. Cone condition
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Euclidean geometry
29.16. Congruence (geometry)
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Euclidean geometry
29.17. Constant chord theorem
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Euclidean geometry
29.18. De Gua's theorem
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Euclidean geometry
29.19. Differentiable vector–valued functions from Euclidean space
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Euclidean geometry
29.20. Differentiation in Fréchet spaces
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Euclidean geometry
29.21. Disk (mathematics)
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Euclidean geometry
29.22. Distance between two parallel lines
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Euclidean geometry
29.23. Distance from a point to a plane
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Euclidean geometry
29.24. Distortion (mathematics)
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Euclidean geometry
29.25. Double wedge
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Euclidean geometry
29.26. Droz-Farny line theorem
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Euclidean geometry
29.27. Equal incircles theorem
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Euclidean geometry
29.28. Euclid's Elements
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Euclidean geometry
29.29. Euclid's Optics
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Euclidean geometry
29.30. Euler's quadrilateral theorem
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Euclidean geometry
29.31. Expansion (geometry)
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Euclidean geometry
29.32. Finsler–Hadwiger theorem
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Euclidean geometry
29.33. Gyration
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Euclidean geometry
29.34. Gyrovector space
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Euclidean geometry
29.35. Half-space (geometry)
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Euclidean geometry
29.36. Hiroshi Haruki
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Euclidean geometry
29.37. Homothetic center
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Euclidean geometry
29.38. Intercept theorem
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Euclidean geometry
29.39. Intersection of a polyhedron with a line
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Euclidean geometry
29.40. Jung's theorem
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Euclidean geometry
29.41. Measurement of a Circle
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Euclidean geometry
29.42. Method of exhaustion
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Euclidean geometry
29.43. Milman's reverse Brunn–Minkowski inequality
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Euclidean geometry
29.44. On Conoids and Spheroids
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Euclidean geometry
29.45. On Spirals
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Euclidean geometry
29.46. On the Sphere and Cylinder
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Euclidean geometry
29.47. Parallelogram law
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Euclidean geometry
29.48. Pendent
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Euclidean geometry
29.49. Plane curve
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Euclidean geometry
29.50. Rodrigues' rotation formula
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Euclidean geometry
29.51. Root system
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Euclidean geometry
29.52. Rotation
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Euclidean geometry
29.53. Saccheri–Legendre theorem
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Euclidean geometry
29.54. Sacred Mathematics
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Euclidean geometry
29.55. Sangaku
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Euclidean geometry
29.56. Similarity (geometry)
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Euclidean geometry
29.57. Simple polytope
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Euclidean geometry
29.58. Simplicial polytope
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Euclidean geometry
29.59. Spiral similarity
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Euclidean geometry
29.60. Steiner–Lehmus theorem
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Euclidean geometry
29.61. Steinmetz curve
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Euclidean geometry
29.62. Theorem of the gnomon
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Euclidean geometry
29.63. Treks into Intuitive Geometry
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Euclidean geometry
29.64. Triangle group
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Euclidean geometry
29.65. Two-point tensor
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Euclidean geometry
29.66. Van Schooten's theorem
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Euclidean geometry
29.67. Varignon's theorem
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Euclidean geometry
30. Face diagonal
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Elementary geometry
31. Generatrix
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Elementary geometry
32. Golden rectangle
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Elementary geometry
33. Great circle
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Elementary geometry
34. Hinge theorem
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Elementary geometry
35. Hyperbolic sector
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Elementary geometry
36. Icons of Mathematics
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Elementary geometry
37. Inscribed figure
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Elementary geometry
38. Inscribed sphere
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Elementary geometry
39. Internal and external angles
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Elementary geometry
40. Jack (geometry)
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Elementary geometry
41. Line (geometry)
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Elementary geometry
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41.1. Straight lines defined for a triangle
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Line (geometry)
42. List of formulas in elementary geometry
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Elementary geometry
43. Locus (mathematics)
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Elementary geometry
44. Maxwell's theorem (geometry)
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Elementary geometry
45. Medial triangle
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Elementary geometry
46. Midpoint
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Elementary geometry
47. Mirror image
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Elementary geometry
48. Parallel (geometry)
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Elementary geometry
49. Parallel postulate
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Elementary geometry
50. Perimeter
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Elementary geometry
51. Pompeiu's theorem
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Elementary geometry
52. Pons asinorum
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Elementary geometry
53. Power center (geometry)
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Elementary geometry
54. Radical axis
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Elementary geometry
55. Reflection symmetry
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Elementary geometry
56. Reuschle's theorem
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Elementary geometry
57. Semicircle
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Elementary geometry
58. Shape
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Elementary geometry
59. Slab (geometry)
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Elementary geometry
60. Space diagonal
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Elementary geometry
61. Spherical shell
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Elementary geometry
62. Tarski's axioms
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Elementary geometry
63. Translation (geometry)
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Elementary geometry
64. Transversal (geometry)
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Elementary geometry
65. Weitzenböck's inequality
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Elementary geometry
Ancestors
Elementary mathematics
Fields of mathematics
Mathematics
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