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This category has the following 11 subcategories, out of 11 total.
254:
The following 95 pages are in this category, out of 95 total.
493:Garfield's proof of the Pythagorean theorem
343:Applications of dual quaternions to 2D geometry
8:
476:Euclidean tilings by convex regular polygons
439:De Bruijn–Erdős theorem (incidence geometry)
251:Pages in category "Euclidean plane geometry"
422:Rotations and reflections in two dimensions
589:Japanese theorem for cyclic quadrilaterals
805:Special cases of Apollonius' problem
256:This list may not reflect recent changes
70:Compass and straightedge constructions
847:Tarski's circle-squaring problem
46:Arithmetic problems of plane geometry
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584:Japanese theorem for cyclic polygons
618:Mixtilinear incircles of a triangle
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869:Wallace–Bolyai–Gerwien theorem
365:Beck's theorem (geometry)
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684:Pappus's hexagon theorem
572:Internal and external angles
926:
679:Pappus's area theorem
835:Szemerédi–Trotter theorem
783:Quadrant (plane geometry)
601:List of k-uniform tilings
523:Talk:Golden ratio/sandbox
454:Dinostratus' theorem
306:99 Points of Intersection
144:Piecewise-circular curves
830:Sylvester–Gallai theorem
741:Poncelet–Steiner theorem
667:Orchard-planting problem
471:Euclidean plane isometry
444:Desargues's theorem
375:Brianchon's theorem
645:Napoleon's problem
633:Mutually unbiased bases
613:Menelaus's theorem
503:Geometric Constructions
449:Descartes' theorem
825:Stewart's theorem
810:Special right triangle
766:Ptolemy's theorem
508:Geometric mean theorem
83:Constructible polygons
852:Thales's theorem
788:Quadratrix of Hippias
751:Problem of Apollonius
689:Pascal's theorem
628:Monsky's theorem
417:Constructible polygon
699:Pasch's theorem
623:Monge's theorem
550:Honeycomb conjecture
535:Happy ending problem
412:Constructible number
348:Arrangement of lines
286:2D computer graphics
16:The geometry of the
905:Elementary geometry
820:Squaring the circle
771:Pythagorean theorem
709:Pick's theorem
650:Neusis construction
407:Ceva's theorem
353:Axiality (geometry)
211:Squaring the circle
191:Pythagorean theorem
24:taught in schools.
22:elementary geometry
900:Euclidean geometry
731:Polygon with holes
694:Pasch's axiom
380:Bride's Chair
338:Apollonian circles
316:33344-33434 tiling
291:2D geometric model
910:Planes (geometry)
815:Square trisection
545:Hinged dissection
459:Doubling the cube
385:Butterfly theorem
178:Planes (geometry)
120:Euclidean tilings
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857:Tienstra formula
756:Projective plane
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427:Crossbar theorem
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715:Plane figure
540:Heptadecagon
518:Golden ratio
333:AA postulate
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239:(20 C, 42 P)
235:Tessellation
100:Plane curves
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182:(4 C, 51 P)
148:(1 C, 16 P)
104:(3 C, 45 P)
74:(2 C, 10 P)
894:Categories
704:Philo line
165:(3 C, 3 P)
555:Hsuan thu
402:CC system
321:65537-gon
800:SIC-POVM
726:Polygon
311:257-gon
195:(18 P)
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39:A
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