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concerned with questions of shape, size, relative position of figures, and the properties of space. Geometry is one of the oldest mathematical sciences.
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3544:
3419:- Prevailing theory of how children learn to reason in geometry
1503:
1194:
Types, methodologies, and terminologies of geometry.
3446:is used in the design of some musical instruments.
3556:
1164:
8:
3563:
3549:
3541:
3322:History of the Cartesian coordinate system
3020:Fundamental theorem of projective geometry
1171:
1157:
886:
405:
40:
29:
27:Overview of and topical guide to geometry
3521:(4th ed.). New York: McGraw-Hill.
2137:Matrix representation of conic sections
1125:
1059:
1008:
937:
889:
651:
513:
490:
457:
429:
32:
2001:Compass and straightedge constructions
271:Straightedge and compass constructions
3452:for the design of mechanical linkages
7:
2053:Incircle and excircles of a triangle
1924:Coordinate rotations and reflections
1685:Vector spaces and complex dimensions
25:
3661:Outlines of mathematics and logic
3329:History of non-Euclidean geometry
1355:Noncommutative algebraic geometry
237:Noncommutative algebraic geometry
3495:List of basic mathematics topics
3483:List of trigonometric identities
2926:Other geometries (not Euclidean)
2467:3-dimensional Euclidean geometry
1799:Point groups in three dimensions
3640:Technology and applied sciences
2709:-dimensional Euclidean geometry
1825:Euclidean geometry foundations
1794:Point groups in two dimensions
630:- / other-dimensional
1:
3615:Natural and physical sciences
3505:Table of mathematical symbols
3339:History of algebraic geometry
2407:List of triangle inequalities
2176:Interactive geometry software
3519:Schaum's Outline of Geometry
3500:List of mathematics articles
3317:History of analytic geometry
3113:Non-Euclidean plane geometry
2078:Circle points segments proof
1489:Infinitesimal transformation
3635:Society and social sciences
3630:Religion and belief systems
3463:List of mathematical shapes
3406:Connections to other fields
2454:List of trigonometry topics
2265:Orthodiagonal quadrilateral
1748:Symmetry, shape and pattern
1240:Constructive solid geometry
3692:
3412:Mathematics and fiber arts
2929:
2470:
2370:Acute and obtuse triangles
2255:Equidiagonal quadrilateral
1967:
1828:
1639:
3676:Mathematics-related lists
3578:
3025:Projective transformation
2943:Arc (projective geometry)
2551:Pappus's centroid theorem
2489:Binary space partitioning
1946:Similarity transformation
1660:(also known as magnitude)
1479:Coordinate-free treatment
1446:General geometry concepts
3572:Knowledge (XXG) outlines
3052:Pappus's hexagon theorem
3015:Complex projective plane
2695:Stereographic projection
2623:Kepler-Poinsot polyhedra
2289:Tangential quadrilateral
2223:PonceletāSteiner theorem
1964:Euclidean plane geometry
126:Non-Archimedean geometry
3625:Philosophy and thinking
3385:Euclidean shortest path
3362:Noncommutative geometry
3292:Measurement of a Circle
3269:Ancient Greek geometry
3223:Euclidean shortest path
3047:Homogeneous coordinates
3010:Complex projective line
2993:Oval (projective plane)
2643:Hilbert's third problem
2412:List of triangle topics
2245:Bicentric quadrilateral
2149:Curve of constant width
1996:Bretschneider's formula
1716:Polar coordinate system
1592:Trigonometric functions
1435:Transformation geometry
1360:Noncommutative geometry
1335:Inversive ring geometry
232:Noncommutative geometry
3517:Rich, Barnett (2009).
2978:Hyperplane at infinity
2932:Non-Euclidean Geometry
2816:Delaunay triangulation
2789:Kissing number problem
2218:BolyaiāGerwien theorem
2083:Mrs. Miniver's problem
1814:Translational symmetry
1598:Trigonometric function
1484:Four-dimensional space
1350:Non-Euclidean geometry
1230:Computational geometry
200:Discrete/Combinatorial
3610:Mathematics and logic
3478:List of curves topics
3157:Thurston's conjecture
3091:Differential geometry
3079:Affine transformation
3030:Mƶbius transformation
2801:Andreini tessellation
2511:Cavalieri's principle
2228:Polygon triangulation
2088:Isoperimetric theorem
2033:List of circle topics
1991:Brahmagupta's formula
1669:Scalar multiplication
1494:Geometric progression
1260:Differential geometry
183:Discrete differential
3595:Geography and places
3590:Culture and the arts
3444:StrƤhle construction
3373:Geometric algorithms
3307:Bakhshali manuscript
3255:Timeline of geometry
3211:Geometric algorithms
2811:Voronoi tessellation
2806:Uniform tessellation
2673:Parabolic microphone
2606:Heronian tetrahedron
2484:3D computer graphics
2432:Pythagorean triangle
2375:Equilateral triangle
2250:Cyclic quadrilateral
2186:Goat grazing problem
1976:2D computer graphics
1897:Supplementary angles
1882:Complementary angles
1701:Linear interpolation
1320:Information geometry
1285:Enumerative geometry
1255:Descriptive geometry
3400:Hidden line removal
3334:History of topology
3278:Pythagorean theorem
3260:Babylonian geometry
3249:History of geometry
3244:History of geometry
3238:Hidden line removal
3123:Hyperbolic geometry
3106:Symplectic geometry
3101:Riemannian geometry
2938:Projective geometry
2767:Minkowski's theorem
2678:Parabolic reflector
2638:Polyhedral compound
2546:Napkin ring problem
2536:Right circular cone
2442:Triangle inequality
2427:Pythagorean theorem
2358:Isosceles trapezoid
2299:Isosceles trapezoid
2098:Ptolemaios' theorem
2058:Orthocentric system
2006:Squaring the circle
1519:De Moivre's theorem
1410:Symplectic geometry
1390:Riemannian geometry
1380:Projective geometry
1345:Lie sphere geometry
1310:Hyperbolic geometry
1305:Geometry of numbers
1220:Birational geometry
450:Pythagorean theorem
3605:History and events
3600:Health and fitness
3450:Burmester's theory
3302:Indian mathematics
3273:Euclidean geometry
3205:Parametric surface
3163:Numerical geometry
3145:Spherical geometry
2958:Desarguesian plane
2948:Desargues' theorem
2757:Ehrhart polynomial
2737:Euclidean distance
2633:Uniform polyhedron
2531:Desargues' theorem
2422:Pedoe's inequality
2402:Isosceles triangle
2193:Parallel postulate
2171:Holditch's theorem
1981:2D geometric model
1831:Euclidean geometry
1658:Norm (mathematics)
1642:Vector (geometric)
1613:Periodic functions
1608:Circular functions
1467:Relative direction
1415:Synthetic geometry
1405:Spherical geometry
1395:Ruppeiner geometry
1370:Parabolic geometry
1330:Inversive geometry
1315:Incidence geometry
1235:Conformal geometry
1210:Algebraic geometry
3648:
3647:
3583:General reference
3528:978-0-07-154412-2
3468:List of geometers
3428:Computer graphics
3265:Egyptian geometry
3140:Elliptic geometry
2973:Plane at infinity
2968:Point at infinity
2851:Regular Polytopes
2830:Parallelogram law
2784:Kepler conjecture
2742:Homothetic center
2618:Archimedean solid
2395:Heronian triangle
2154:Reuleaux triangle
2073:Nine-point circle
1524:Similar triangles
1440:Tropical geometry
1420:Systolic geometry
1325:Integral geometry
1290:Epipolar geometry
1280:Elliptic geometry
1275:Distance geometry
1270:Discrete geometry
1215:Analytic geometry
1200:Absolute geometry
1181:
1180:
1146:
1145:
869:List of geometers
552:Three-dimensional
541:
540:
16:(Redirected from
3683:
3565:
3558:
3551:
3542:
3532:
3390:Point in polygon
3344:Erlangen program
3313:Modern geometry
3228:Point in polygon
3169:Parametric curve
3096:Contact geometry
3062:Pascal's theorem
3005:Projective space
2988:Projective plane
2963:Line at infinity
2953:Girard Desargues
2845:Regular polytope
2390:Integer triangle
2333:Aperiodic tiling
2213:Shape dissection
2142:Dandelin spheres
2013:Complex geometry
1934:Glide reflection
1902:Angle trisection
1867:Concurrent lines
1837:Hilbert's axioms
1509:Angular velocity
1451:General concepts
1425:Taxicab geometry
1385:Quantum geometry
1365:Ordered geometry
1300:Fractal geometry
1265:Digital geometry
1245:Contact geometry
1225:Complex geometry
1173:
1166:
1159:
887:
406:
339:Zero-dimensional
44:
30:
21:
3691:
3690:
3686:
3685:
3684:
3682:
3681:
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3651:
3650:
3649:
3644:
3620:People and self
3574:
3569:
3539:
3529:
3516:
3513:
3511:Further reading
3491:
3459:
3417:Van Hiele model
3408:
3375:
3358:
3356:Generalizations
3246:
3213:
3165:
3152:Minkowski space
3086:Finite geometry
3069:Affine geometry
2983:Projective line
2934:
2928:
2840:SchlƤfli symbol
2711:
2526:Cuisenaire rods
2506:Borromean rings
2475:
2469:
2461:Wallpaper group
2385:Heron's formula
2260:Kite (geometry)
2120:Semi-major axis
2063:Monge's theorem
2038:Thales' theorem
1972:
1966:
1887:Inscribed angle
1872:Adjacent angles
1833:
1827:
1819:Wallpaper group
1750:
1736:Circular sector
1687:
1674:Vector addition
1664:Position vector
1644:
1638:
1594:
1552:
1514:Linear velocity
1499:Geometric shape
1453:
1448:
1295:Finite geometry
1250:Convex geometry
1205:Affine geometry
1196:
1186:is a branch of
1177:
1148:
1147:
884:
883:
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873:
664:
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647:
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632:
631:
619:
618:
555:
554:
543:
542:
403:
402:
400:Two-dimensional
391:
390:
364:
363:
361:One-dimensional
352:
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329:
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243:
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3585:
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3576:
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3570:
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3560:
3553:
3545:
3538:
3537:External links
3535:
3534:
3533:
3527:
3512:
3509:
3508:
3507:
3502:
3497:
3490:
3487:
3486:
3485:
3480:
3475:
3473:List of curves
3470:
3465:
3458:
3455:
3454:
3453:
3447:
3440:
3435:
3433:Image analysis
3430:
3425:
3420:
3414:
3407:
3404:
3403:
3402:
3397:
3395:Point location
3392:
3387:
3382:
3374:
3371:
3370:
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3262:
3257:
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3241:
3240:
3235:
3233:Point location
3230:
3225:
3220:
3212:
3209:
3208:
3207:
3202:
3201:
3200:
3199:
3198:
3193:
3192:
3191:
3184:Hermite spline
3176:
3164:
3161:
3160:
3159:
3154:
3149:
3148:
3147:
3137:
3136:
3135:
3130:
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3110:
3109:
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3103:
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3022:
3017:
3012:
3007:
3002:
3001:
3000:
2995:
2985:
2980:
2975:
2970:
2965:
2960:
2955:
2950:
2945:
2930:Main article:
2927:
2924:
2923:
2922:
2917:
2912:
2907:
2902:
2901:
2900:
2895:
2890:
2885:
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2847:
2842:
2832:
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2826:
2825:
2824:
2823:
2818:
2813:
2808:
2803:
2793:
2792:
2791:
2786:
2779:Sphere packing
2771:
2770:
2769:
2764:
2759:
2749:
2744:
2739:
2734:
2729:
2728:
2727:
2717:
2710:
2704:
2703:
2702:
2697:
2692:
2687:
2685:Soddy's hexlet
2682:
2681:
2680:
2675:
2657:
2656:
2655:
2653:Surface normal
2650:
2645:
2640:
2635:
2630:
2625:
2620:
2615:
2613:Platonic solid
2610:
2609:
2608:
2598:
2596:Parallelepiped
2593:
2588:
2583:
2578:
2573:
2571:Dihedral angle
2568:
2558:
2553:
2548:
2543:
2538:
2533:
2528:
2523:
2518:
2513:
2508:
2503:
2502:
2501:
2496:
2491:
2481:
2473:Solid geometry
2471:Main article:
2468:
2465:
2464:
2463:
2458:
2457:
2456:
2446:
2445:
2444:
2439:
2437:Right triangle
2434:
2429:
2424:
2419:
2417:Pedal triangle
2414:
2409:
2404:
2399:
2398:
2397:
2387:
2382:
2377:
2372:
2362:
2361:
2360:
2349:
2348:
2347:
2346:
2345:
2343:Penrose tiling
2340:
2330:
2320:
2315:
2310:
2305:
2304:
2303:
2302:
2301:
2291:
2286:
2285:
2284:
2274:
2273:
2272:
2262:
2257:
2252:
2247:
2237:
2232:
2231:
2230:
2225:
2220:
2215:
2210:
2208:Pick's theorem
2205:
2195:
2190:
2189:
2188:
2178:
2173:
2168:
2163:
2158:
2157:
2156:
2146:
2145:
2144:
2139:
2134:
2129:
2124:
2123:
2122:
2112:
2107:
2106:
2105:
2100:
2095:
2090:
2085:
2080:
2075:
2070:
2065:
2060:
2055:
2050:
2045:
2040:
2035:
2025:
2015:
2010:
2009:
2008:
1998:
1993:
1988:
1983:
1978:
1970:Plane geometry
1968:Main article:
1965:
1962:
1961:
1960:
1955:
1954:
1953:
1948:
1938:
1937:
1936:
1931:
1926:
1921:
1916:
1906:
1905:
1904:
1899:
1894:
1892:Internal angle
1889:
1884:
1879:
1874:
1869:
1859:
1854:
1849:
1844:
1839:
1829:Main article:
1826:
1823:
1822:
1821:
1816:
1811:
1809:Symmetry group
1806:
1801:
1796:
1791:
1786:
1781:
1776:
1771:
1769:Crystal system
1766:
1761:
1756:
1749:
1746:
1745:
1744:
1739:
1733:
1728:
1723:
1718:
1713:
1708:
1703:
1698:
1696:Imaginary axis
1693:
1686:
1683:
1682:
1681:
1676:
1671:
1666:
1661:
1655:
1650:
1640:Main article:
1637:
1634:
1633:
1632:
1631:
1630:
1625:
1620:
1618:Law of cosines
1615:
1610:
1605:
1593:
1590:
1589:
1588:
1583:
1578:
1573:
1568:
1563:
1558:
1551:
1548:
1547:
1546:
1541:
1536:
1531:
1526:
1521:
1516:
1511:
1506:
1501:
1496:
1491:
1486:
1481:
1476:
1475:
1474:
1469:
1464:
1452:
1449:
1447:
1444:
1443:
1442:
1437:
1432:
1430:Toric geometry
1427:
1422:
1417:
1412:
1407:
1402:
1400:Solid geometry
1397:
1392:
1387:
1382:
1377:
1375:Plane geometry
1372:
1367:
1362:
1357:
1352:
1347:
1342:
1340:Klein geometry
1337:
1332:
1327:
1322:
1317:
1312:
1307:
1302:
1297:
1292:
1287:
1282:
1277:
1272:
1267:
1262:
1257:
1252:
1247:
1242:
1237:
1232:
1227:
1222:
1217:
1212:
1207:
1202:
1195:
1192:
1179:
1178:
1176:
1175:
1168:
1161:
1153:
1150:
1149:
1144:
1143:
1142:
1141:
1136:
1128:
1127:
1123:
1122:
1121:
1120:
1115:
1110:
1105:
1100:
1095:
1090:
1085:
1080:
1075:
1070:
1062:
1061:
1057:
1056:
1055:
1054:
1049:
1044:
1039:
1034:
1029:
1024:
1019:
1011:
1010:
1006:
1005:
1004:
1003:
998:
993:
988:
983:
978:
973:
968:
963:
958:
953:
948:
940:
939:
935:
934:
933:
932:
927:
922:
917:
912:
907:
902:
894:
893:
885:
881:
880:
879:
876:
875:
872:
871:
866:
861:
856:
851:
846:
841:
836:
831:
826:
821:
816:
811:
806:
801:
796:
791:
786:
781:
776:
771:
766:
761:
756:
751:
746:
741:
736:
731:
726:
721:
716:
711:
706:
701:
696:
691:
686:
681:
676:
671:
665:
661:
660:
659:
656:
655:
649:
648:
645:
644:
639:
633:
626:
625:
624:
621:
620:
617:
616:
611:
606:
604:Platonic Solid
601:
596:
591:
586:
581:
576:
575:
574:
563:
562:
556:
550:
549:
548:
545:
544:
539:
538:
537:
536:
531:
526:
518:
517:
511:
510:
509:
508:
503:
495:
494:
488:
487:
486:
485:
480:
475:
470:
462:
461:
455:
454:
453:
452:
447:
442:
434:
433:
427:
426:
425:
424:
419:
414:
404:
398:
397:
396:
393:
392:
389:
388:
383:
382:
381:
376:
365:
359:
358:
357:
354:
353:
350:
349:
343:
337:
336:
335:
332:
331:
328:
327:
322:
317:
311:
310:
305:
300:
290:
285:
280:
274:
273:
264:
260:
259:
256:
252:
251:
250:
249:
246:
245:
242:
241:
240:
239:
229:
224:
219:
214:
209:
208:
207:
197:
192:
187:
186:
185:
180:
175:
165:
164:
163:
158:
148:
143:
138:
133:
128:
123:
122:
121:
116:
115:
114:
99:
93:
87:
86:
85:
82:
81:
79:
78:
68:
62:
59:
58:
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3688:
3677:
3674:
3672:
3669:
3667:
3664:
3662:
3659:
3658:
3656:
3641:
3638:
3636:
3633:
3631:
3628:
3626:
3623:
3621:
3618:
3616:
3613:
3611:
3608:
3606:
3603:
3601:
3598:
3596:
3593:
3591:
3588:
3587:
3584:
3581:
3580:
3577:
3573:
3566:
3561:
3559:
3554:
3552:
3547:
3546:
3543:
3536:
3530:
3524:
3520:
3515:
3514:
3510:
3506:
3503:
3501:
3498:
3496:
3493:
3492:
3488:
3484:
3481:
3479:
3476:
3474:
3471:
3469:
3466:
3464:
3461:
3460:
3456:
3451:
3448:
3445:
3441:
3439:
3438:Robot control
3436:
3434:
3431:
3429:
3426:
3424:
3421:
3418:
3415:
3413:
3410:
3409:
3405:
3401:
3398:
3396:
3393:
3391:
3388:
3386:
3383:
3380:
3377:
3376:
3372:
3368:
3365:
3363:
3360:
3359:
3355:
3351:
3350:
3345:
3342:
3340:
3337:
3335:
3332:
3330:
3327:
3323:
3320:
3319:
3318:
3315:
3314:
3312:
3308:
3305:
3304:
3303:
3300:
3294:
3293:
3289:
3287:
3286:
3281:
3279:
3276:
3275:
3274:
3271:
3270:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3252:
3251:
3250:
3243:
3239:
3236:
3234:
3231:
3229:
3226:
3224:
3221:
3218:
3215:
3214:
3210:
3206:
3203:
3197:
3194:
3190:
3187:
3186:
3185:
3182:
3181:
3180:
3177:
3175:
3172:
3171:
3170:
3167:
3166:
3162:
3158:
3155:
3153:
3150:
3146:
3143:
3142:
3141:
3138:
3134:
3131:
3129:
3126:
3125:
3124:
3121:
3119:
3116:
3114:
3111:
3107:
3104:
3102:
3099:
3097:
3094:
3093:
3092:
3089:
3087:
3084:
3080:
3077:
3075:
3072:
3071:
3070:
3067:
3063:
3060:
3058:
3055:
3053:
3050:
3048:
3045:
3043:
3040:
3038:
3035:
3031:
3028:
3027:
3026:
3023:
3021:
3018:
3016:
3013:
3011:
3008:
3006:
3003:
2999:
2998:Roman surface
2996:
2994:
2991:
2990:
2989:
2986:
2984:
2981:
2979:
2976:
2974:
2971:
2969:
2966:
2964:
2961:
2959:
2956:
2954:
2951:
2949:
2946:
2944:
2941:
2940:
2939:
2936:
2935:
2933:
2925:
2921:
2918:
2916:
2913:
2911:
2908:
2906:
2903:
2899:
2896:
2894:
2891:
2889:
2886:
2884:
2881:
2879:
2876:
2874:
2870:
2867:
2866:
2865:
2862:
2860:
2857:
2853:
2852:
2848:
2846:
2843:
2841:
2838:
2837:
2836:
2833:
2831:
2828:
2822:
2819:
2817:
2814:
2812:
2809:
2807:
2804:
2802:
2799:
2798:
2797:
2794:
2790:
2787:
2785:
2782:
2781:
2780:
2777:
2776:
2775:
2772:
2768:
2765:
2763:
2762:Leech lattice
2760:
2758:
2755:
2754:
2753:
2750:
2748:
2745:
2743:
2740:
2738:
2735:
2733:
2732:Coxeter group
2730:
2726:
2723:
2722:
2721:
2718:
2716:
2713:
2712:
2708:
2705:
2701:
2698:
2696:
2693:
2691:
2688:
2686:
2683:
2679:
2676:
2674:
2671:
2670:
2669:
2665:
2661:
2658:
2654:
2651:
2649:
2646:
2644:
2641:
2639:
2636:
2634:
2631:
2629:
2628:Johnson solid
2626:
2624:
2621:
2619:
2616:
2614:
2611:
2607:
2604:
2603:
2602:
2599:
2597:
2594:
2592:
2589:
2587:
2584:
2582:
2579:
2577:
2574:
2572:
2569:
2567:
2564:
2563:
2562:
2559:
2557:
2554:
2552:
2549:
2547:
2544:
2542:
2539:
2537:
2534:
2532:
2529:
2527:
2524:
2522:
2519:
2517:
2516:Cross section
2514:
2512:
2509:
2507:
2504:
2500:
2497:
2495:
2492:
2490:
2487:
2486:
2485:
2482:
2480:
2479:3D projection
2477:
2476:
2474:
2466:
2462:
2459:
2455:
2452:
2451:
2450:
2447:
2443:
2440:
2438:
2435:
2433:
2430:
2428:
2425:
2423:
2420:
2418:
2415:
2413:
2410:
2408:
2405:
2403:
2400:
2396:
2393:
2392:
2391:
2388:
2386:
2383:
2381:
2378:
2376:
2373:
2371:
2368:
2367:
2366:
2363:
2359:
2356:
2355:
2353:
2350:
2344:
2341:
2339:
2336:
2335:
2334:
2331:
2329:
2326:
2325:
2324:
2321:
2319:
2316:
2314:
2311:
2309:
2306:
2300:
2297:
2296:
2295:
2292:
2290:
2287:
2283:
2280:
2279:
2278:
2275:
2271:
2268:
2267:
2266:
2263:
2261:
2258:
2256:
2253:
2251:
2248:
2246:
2243:
2242:
2241:
2240:Quadrilateral
2238:
2236:
2235:Pons asinorum
2233:
2229:
2226:
2224:
2221:
2219:
2216:
2214:
2211:
2209:
2206:
2204:
2201:
2200:
2199:
2196:
2194:
2191:
2187:
2184:
2183:
2182:
2179:
2177:
2174:
2172:
2169:
2167:
2164:
2162:
2159:
2155:
2152:
2151:
2150:
2147:
2143:
2140:
2138:
2135:
2133:
2130:
2128:
2125:
2121:
2118:
2117:
2116:
2113:
2111:
2108:
2104:
2103:Steiner chain
2101:
2099:
2096:
2094:
2091:
2089:
2086:
2084:
2081:
2079:
2076:
2074:
2071:
2069:
2066:
2064:
2061:
2059:
2056:
2054:
2051:
2049:
2046:
2044:
2041:
2039:
2036:
2034:
2031:
2030:
2029:
2026:
2024:
2021:
2020:
2019:
2018:Conic section
2016:
2014:
2011:
2007:
2004:
2003:
2002:
1999:
1997:
1994:
1992:
1989:
1987:
1984:
1982:
1979:
1977:
1974:
1973:
1971:
1963:
1959:
1958:Shear mapping
1956:
1952:
1949:
1947:
1944:
1943:
1942:
1939:
1935:
1932:
1930:
1927:
1925:
1922:
1920:
1917:
1915:
1912:
1911:
1910:
1907:
1903:
1900:
1898:
1895:
1893:
1890:
1888:
1885:
1883:
1880:
1878:
1877:Central angle
1875:
1873:
1870:
1868:
1865:
1864:
1863:
1860:
1858:
1855:
1853:
1850:
1848:
1845:
1843:
1840:
1838:
1835:
1834:
1832:
1824:
1820:
1817:
1815:
1812:
1810:
1807:
1805:
1802:
1800:
1797:
1795:
1792:
1790:
1787:
1785:
1782:
1780:
1777:
1775:
1772:
1770:
1767:
1765:
1762:
1760:
1757:
1755:
1752:
1751:
1747:
1743:
1742:Semiperimeter
1740:
1737:
1734:
1732:
1729:
1727:
1724:
1722:
1719:
1717:
1714:
1712:
1709:
1707:
1704:
1702:
1699:
1697:
1694:
1692:
1691:Complex plane
1689:
1688:
1684:
1680:
1677:
1675:
1672:
1670:
1667:
1665:
1662:
1659:
1656:
1654:
1651:
1649:
1646:
1645:
1643:
1635:
1629:
1626:
1624:
1621:
1619:
1616:
1614:
1611:
1609:
1606:
1604:
1601:
1600:
1599:
1596:
1595:
1591:
1587:
1584:
1582:
1581:Circumference
1579:
1577:
1574:
1572:
1569:
1567:
1564:
1562:
1559:
1557:
1554:
1553:
1549:
1545:
1542:
1540:
1537:
1535:
1532:
1530:
1527:
1525:
1522:
1520:
1517:
1515:
1512:
1510:
1507:
1505:
1502:
1500:
1497:
1495:
1492:
1490:
1487:
1485:
1482:
1480:
1477:
1473:
1470:
1468:
1465:
1463:
1460:
1459:
1458:
1455:
1454:
1450:
1445:
1441:
1438:
1436:
1433:
1431:
1428:
1426:
1423:
1421:
1418:
1416:
1413:
1411:
1408:
1406:
1403:
1401:
1398:
1396:
1393:
1391:
1388:
1386:
1383:
1381:
1378:
1376:
1373:
1371:
1368:
1366:
1363:
1361:
1358:
1356:
1353:
1351:
1348:
1346:
1343:
1341:
1338:
1336:
1333:
1331:
1328:
1326:
1323:
1321:
1318:
1316:
1313:
1311:
1308:
1306:
1303:
1301:
1298:
1296:
1293:
1291:
1288:
1286:
1283:
1281:
1278:
1276:
1273:
1271:
1268:
1266:
1263:
1261:
1258:
1256:
1253:
1251:
1248:
1246:
1243:
1241:
1238:
1236:
1233:
1231:
1228:
1226:
1223:
1221:
1218:
1216:
1213:
1211:
1208:
1206:
1203:
1201:
1198:
1197:
1193:
1191:
1189:
1185:
1174:
1169:
1167:
1162:
1160:
1155:
1154:
1152:
1151:
1140:
1137:
1135:
1132:
1131:
1130:
1129:
1124:
1119:
1116:
1114:
1111:
1109:
1106:
1104:
1101:
1099:
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1069:
1066:
1065:
1064:
1063:
1058:
1053:
1050:
1048:
1045:
1043:
1040:
1038:
1035:
1033:
1030:
1028:
1025:
1023:
1020:
1018:
1015:
1014:
1013:
1012:
1007:
1002:
999:
997:
994:
992:
989:
987:
984:
982:
979:
977:
974:
972:
969:
967:
964:
962:
959:
957:
954:
952:
949:
947:
944:
943:
942:
941:
936:
931:
928:
926:
923:
921:
918:
916:
913:
911:
908:
906:
903:
901:
898:
897:
896:
895:
892:
888:
878:
877:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
845:
842:
840:
837:
835:
832:
830:
827:
825:
822:
820:
817:
815:
812:
810:
807:
805:
802:
800:
797:
795:
792:
790:
787:
785:
782:
780:
777:
775:
772:
770:
767:
765:
762:
760:
757:
755:
752:
750:
747:
745:
742:
740:
737:
735:
732:
730:
727:
725:
722:
720:
717:
715:
712:
710:
707:
705:
702:
700:
697:
695:
692:
690:
687:
685:
682:
680:
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547:
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530:
529:Circumference
527:
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512:
507:
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492:Quadrilateral
489:
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459:Parallelogram
456:
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348:
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298:
297:Perpendicular
294:
293:Orthogonality
291:
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257:
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217:Computational
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103:
102:Non-Euclidean
100:
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84:
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56:
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48:
43:
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35:
31:
19:
3518:
3381:construction
3290:
3284:
3247:
3219:construction
3174:BĆ©zier curve
3128:Pseudosphere
3118:Angle excess
3074:Affine space
2849:
2821:Quasicrystal
2706:
2449:Trigonometry
2380:Euler's line
2354:(trapezium)
2323:Tessellation
2313:Straightedge
2203:Star polygon
2166:Golden angle
2161:Frieze group
2110:Eccentricity
2068:Power center
2043:Circumcircle
1852:Line segment
1774:Frieze group
1623:Law of sines
1550:Measurements
1472:Mirror image
1182:
1001:Parameshvara
814:Parameshvara
584:Dodecahedron
168:Differential
65:
3379:Convex hull
3217:Convex hull
3133:Tractricoid
3037:Cross-ratio
2910:Root system
2888:Hyperboloid
2869:Hypersphere
2725:Convex hull
2700:Stereometry
2648:Deltahedron
2601:Tetrahedron
2541:Hyperboloid
2499:Graham scan
2494:Ray tracing
1929:Translation
1804:Space group
1789:Point group
1738:or "sector"
1731:Secant line
1679:Zero vector
1653:Dot product
1529:Unit circle
1188:mathematics
1126:Present day
1073:Lobachevsky
1060:1700sā1900s
1017:Jyeį¹£į¹hadeva
1009:1400sā1700s
961:Brahmagupta
784:Lobachevsky
764:Jyeį¹£į¹hadeva
714:Brahmagupta
642:Hypersphere
614:Tetrahedron
589:Icosahedron
161:Diophantine
3655:Categories
2915:Similarity
2893:Paraboloid
2747:Hyperplane
2581:Prismatoid
2561:Polyhedron
2556:Paraboloid
1941:Similarity
1914:Reflection
1909:Congruence
1711:Orthogonal
1706:One-to-one
1628:Polar sine
1603:Asymptotes
1462:Handedness
986:al-Yasamin
930:Apollonius
925:Archimedes
915:Pythagoras
905:Baudhayana
859:al-Yasamin
809:Pythagoras
704:Baudhayana
694:Archimedes
689:Apollonius
594:Octahedron
445:Hypotenuse
320:Similarity
315:Congruence
227:Incidence
178:Symplectic
173:Riemannian
156:Arithmetic
131:Projective
119:Hyperbolic
47:Projecting
18:Geometries
3423:Astronomy
3283:Euclid's
3057:Incidence
2883:Ellipsoid
2796:Honeycomb
2690:Sphericon
2668:ellipsoid
2586:Honeycomb
2352:Trapezoid
2338:Wang tile
2328:Prototile
2318:Symmedian
2294:Trapezoid
2277:Rectangle
2181:Involutes
2127:Hyperbola
2048:Concyclic
1951:Homothety
1726:Real axis
1648:Amplitude
1457:Chirality
1103:Minkowski
1022:Descartes
956:Aryabhata
951:KÄtyÄyana
882:by period
794:Minkowski
769:KÄtyÄyana
729:Descartes
674:Aryabhata
653:Geometers
637:Tesseract
501:Trapezoid
473:Rectangle
266:Dimension
151:Algebraic
141:Synthetic
112:Spherical
97:Euclidean
3671:Geometry
3666:Outlines
3489:See also
3367:Topology
3285:Elements
3189:B-spline
2920:Zonotope
2878:Spheroid
2835:Polytope
2664:spheroid
2660:3-sphere
2365:Triangle
2132:Parabola
1986:Altitude
1919:Rotation
1857:Parallel
1779:Isometry
1754:Symmetry
1586:Diameter
1184:Geometry
1093:PoincarƩ
1037:Minggatu
996:Yang Hui
966:Virasena
854:Yang Hui
849:Virasena
819:PoincarƩ
799:Minggatu
579:Cylinder
524:Diameter
483:Rhomboid
440:Altitude
431:Triangle
325:Symmetry
303:Parallel
288:Diagonal
258:Features
255:Concepts
146:Analytic
107:Elliptic
89:Branches
75:Timeline
34:Geometry
3042:Duality
2864:Quadric
2774:Packing
2752:Lattice
2591:Pyramid
2521:Crystal
2308:Sangaku
2270:Rhombus
2198:Polygon
2115:Ellipse
2093:Annulus
1784:Lattice
1764:Pattern
1636:Vectors
1556:Bearing
1118:Coxeter
1098:Hilbert
1083:Riemann
1032:Huygens
991:al-Tusi
981:KhayyƔm
971:Alhazen
938:1ā1400s
839:al-Tusi
824:Riemann
774:KhayyƔm
759:Huygens
754:Hilbert
724:Coxeter
684:Alhazen
662:by name
599:Pyramid
478:Rhombus
422:Polygon
374:segment
222:Fractal
205:Digital
190:Complex
71:History
66:Outline
3525:
3179:Spline
2873:sphere
2859:Sphere
2720:Convex
2566:Defect
2282:Square
2028:Circle
1576:Radian
1571:Minute
1566:Degree
1139:Gromov
1134:Atiyah
1113:Veblen
1108:Cartan
1078:Bolyai
1047:Sakabe
1027:Pascal
920:Euclid
910:Manava
844:Veblen
829:Sakabe
804:Pascal
789:Manava
749:Gromov
734:Euclid
719:Cartan
709:Bolyai
699:Atiyah
609:Sphere
572:cuboid
560:Volume
515:Circle
468:Square
386:Length
308:Vertex
212:Convex
195:Finite
136:Affine
51:sphere
3457:Lists
3196:NURBS
2905:Torus
2576:Prism
2023:Focus
1862:Angle
1842:Locus
1759:Shape
1561:Angle
1544:Plane
1534:Point
1088:Klein
1068:Gauss
1042:Euler
976:Sijzi
946:Zhang
900:Ahmes
864:Zhang
834:Sijzi
779:Klein
744:Gauss
739:Euler
679:Ahmes
412:Plane
347:Point
283:Curve
278:Angle
55:plane
53:to a
3523:ISBN
3442:The
2898:Cone
2715:Ball
1847:Line
1721:Pole
1052:Aida
669:Aida
628:Four
567:Cube
534:Area
506:Kite
417:Area
369:Line
1539:Ray
891:BCE
379:ray
3657::
2871:,
2666:,
2662:,
1504:Pi
49:a
3564:e
3557:t
3550:v
3531:.
2707:n
1172:e
1165:t
1158:v
299:)
295:(
77:)
73:(
20:)
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