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topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or in triangular arrays such as
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1579:
39:, or concretely in physical space. It does not include metaphors like
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1210:
43:
in which the word has no reference to the geometric shape.
1177:
List of integrals of inverse trigonometric functions
1413:from a triangular array of polynomials (see also
8:
1182:List of integrals of trigonometric functions
1131:Differentiation of trigonometric functions
855:Regiomontanus' angle maximization problem
801:Perpendicular bisectors of triangle sides
158:Carnot's theorem (inradius, circumradius)
18:User:DavidCBryant/List of triangle topics
555:Japanese theorem for concyclic polygons
118:Barycentric coordinates (mathematics)
7:
478:Incircle and excircles of a triangle
1394:Stirling numbers of the second kind
1389:Stirling numbers of the first kind
25:
1610:Outlines of mathematics and logic
165:Carnot's theorem (perpendiculars)
123:Bernoulli's quadrisection problem
1469:Parliamentary Triangle, Canberra
1289:Encyclopedia of Triangle Centers
1187:List of trigonometric identities
796:Perimeter bisector of a triangle
289:Encyclopedia of Triangle Centers
1146:Inverse trigonometric functions
371:Fermat's right triangle theorem
919:Similarity system of triangles
1:
1553:Triangle (musical instrument)
1421:Integers in triangle geometry
1136:Exact trigonometric constants
609:List of triangle inequalities
413:Golden triangle (mathematics)
1332:Triangular arrays of numbers
623:Maxwell's theorem (geometry)
233:Congruent isoscelizers point
172:Catalogue of Triangle Cubics
80:Angle bisector of a triangle
1404:Triangular pyramidal number
832:Inverse Pythagorean theorem
425:Hadwiger–Finsler inequality
331:Euler's theorem in geometry
75:Area bisector of a triangle
1641:
1335:
1237:Trigonometric substitution
691:Morley's trisector theorem
527:Isosceles triangle theorem
432:Heilbronn triangle problem
61:Acute and obtuse triangles
1558:Triangular prism (optics)
1102:Trisected perimeter point
740:One-seventh area triangle
465:(non-Euclidean geometry)
151:Carnot's theorem (conics)
1303:The Secrets of Triangles
1116:Yff center of congruence
665:Modern triangle geometry
338:Erdős–Mordell inequality
303:Equal parallelians point
247:Conway triangle notation
1349:Boustrophedon transform
1230:Trigonometric functions
1199:Outline of trigonometry
1141:History of trigonometry
933:Special right triangles
806:Polar circle (geometry)
296:Equal incircles theorem
282:Droz-Farny line theorem
198:Circumconic and inconic
1526:Clavipectoral triangle
1501:Submandibular triangle
1321:(2,3,7) triangle group
1223:Spherical trigonometry
980:Steiner–Lehmus theorem
761:Orthocentroidal circle
574:Kobon triangle problem
392:Geometric mean theorem
350:Exterior angle theorem
261:Delaunay triangulation
85:Angle bisector theorem
1585:Shield of the Trinity
1296:Pythagorean Triangles
1216:Solution of triangles
1204:Rational trigonometry
1092:Trilinear coordinates
968:Steiner circumellipse
912:Similarity (geometry)
226:Congruence (geometry)
1254:Uses of trigonometry
1242:Trigonometric tables
1067:Triangular bipyramid
775:Pappus' area theorem
733:Nine-point hyperbola
317:Equilateral triangle
205:Circumscribed circle
1415:Polynomial sequence
1260:Applied mathematics
1192:Mollweide's formula
1060:Triangle inequality
1008:Tangential triangle
961:Splitter (geometry)
954:Spiral of Theodorus
906:(fractal geometry)
904:Sierpinski triangle
897:Schiffler's theorem
825:Pythagorean theorem
754:Orthocentric system
698:Musselman's theorem
513:Isoperimetric point
463:Hyperbolic triangle
437:Heptagonal triangle
268:de Longchamps point
113:Barrow's inequality
106:Automedian triangle
99:Apollonius' theorem
68:Altitude (triangle)
37:triangular matrices
1516:Submental triangle
1511:Arm triangle choke
1437:Pythagorean triple
1379:Rencontres numbers
1364:Lozanić's triangle
1266:De Finetti diagram
1097:Trilinear polarity
1077:Triangular pyramid
862:Reuschle's theorem
719:Napoleon's theorem
534:Isotomic conjugate
520:Isosceles triangle
506:Isogonal conjugate
420:Gossard perspector
275:Desargues' theorem
219:Cleaver (geometry)
1605:Triangle geometry
1575:Eye of Providence
1531:Inguinal triangle
1474:Research Triangle
1459:Historic Triangle
1442:Eisenstein triple
1427:Heronian triangle
1409:The (incomplete)
1399:Triangular number
1374:Pascal's triangle
1316:Triangular matrix
1158:Law of cotangents
1109:Viviani's theorem
1082:Triangular tiling
987:Stewart's theorem
973:Steiner inellipse
841:Reuleaux triangle
811:Pompeiu's theorem
726:Nine-point circle
644:Menelaus' theorem
637:Median (geometry)
616:Mandart inellipse
595:Lemoine's problem
581:Kosnita's theorem
456:Hofstadter points
442:Heronian triangle
385:Fuhrmann triangle
357:Fagnano's problem
33:Pascal's triangle
16:(Redirected from
1632:
1521:Carotid triangle
1489:Rhubarb Triangle
1484:Triangular trade
1464:Lithium Triangle
1454:Bermuda Triangle
1432:Integer triangle
1411:Bell polynomials
1384:Romberg's method
1359:Floyd's triangle
1338:Triangular array
1072:Triangular prism
890:Schwarz triangle
883:Scalene triangle
670:Monsky's theorem
651:Miquel's theorem
602:Lester's theorem
499:Isodynamic point
492:Integer triangle
240:Contact triangle
144:Brocard triangle
92:Apollonius point
21:
1640:
1639:
1635:
1634:
1633:
1631:
1630:
1629:
1625:Lists of shapes
1620:Lists of topics
1590:
1589:
1571:
1544:
1536:Codman triangle
1497:
1450:
1423:
1369:Narayana number
1354:Eulerian number
1340:
1334:
1329:
1312:
1284:
1262:
1170:Law of tangents
1127:
1122:
1041:Triangle center
1027:Thales' theorem
876:Routh's theorem
712:Napoleon points
684:Morley triangle
630:Medial triangle
567:Kepler triangle
560:Johnson circles
449:Heron's formula
378:Fuhrmann circle
49:
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22:
15:
12:
11:
5:
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1617:
1612:
1607:
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1591:
1588:
1587:
1582:
1577:
1570:
1567:
1566:
1565:
1560:
1555:
1550:
1548:Black triangle
1543:
1540:
1539:
1538:
1533:
1528:
1523:
1518:
1513:
1508:
1506:Triangle choke
1503:
1496:
1493:
1492:
1491:
1486:
1481:
1479:Sunni Triangle
1476:
1471:
1466:
1461:
1456:
1449:
1446:
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1439:
1434:
1429:
1422:
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1407:
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1376:
1371:
1366:
1361:
1356:
1351:
1346:
1336:Main article:
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1330:
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1325:
1324:
1323:
1318:
1311:
1308:
1307:
1306:
1299:
1292:
1283:
1280:
1279:
1278:
1276:Nonobtuse mesh
1273:
1268:
1261:
1258:
1257:
1256:
1251:
1244:
1239:
1234:
1227:
1220:
1213:
1208:
1201:
1196:
1189:
1184:
1179:
1174:
1167:
1160:
1155:
1151:Law of cosines
1148:
1143:
1138:
1133:
1126:
1123:
1121:
1120:
1113:
1106:
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1057:
1053:Triangle group
1050:
1048:Triangle conic
1045:
1038:
1031:
1024:
1017:
1010:
1005:
998:
991:
984:
977:
970:
965:
958:
951:
947:Spieker circle
944:
940:Spieker center
937:
930:
923:
916:
909:
901:
894:
887:
880:
873:
869:Right triangle
866:
859:
852:
845:
838:
837:
836:
822:
815:
808:
803:
798:
793:
789:Pedal triangle
786:
779:
772:
765:
758:
751:
744:
737:
730:
723:
716:
709:
702:
695:
688:
681:
677:Morley centers
674:
667:
662:
655:
648:
641:
634:
627:
620:
613:
606:
599:
592:
588:Leg (geometry)
585:
578:
571:
564:
557:
552:
545:
541:Isotomic lines
538:
531:
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517:
510:
503:
496:
489:
482:
475:
468:
460:
453:
446:
439:
434:
429:
422:
417:
410:
406:Gergonne point
403:
396:
389:
382:
375:
368:
361:
354:
347:
340:
335:
328:
321:
314:
310:Equidissection
307:
300:
293:
286:
279:
272:
265:
258:
251:
244:
237:
230:
223:
216:
209:
202:
195:
188:
184:Ceva's theorem
181:
174:
169:
162:
155:
148:
141:
137:Brocard points
134:
130:Brocard circle
127:
120:
115:
110:
103:
96:
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65:
58:
50:
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24:
14:
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10:
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6:
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2:
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1360:
1357:
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1341:
1339:
1331:
1327:Number theory
1326:
1322:
1319:
1317:
1314:
1313:
1309:
1305:
1304:
1300:
1298:
1297:
1293:
1291:
1290:
1286:
1285:
1281:
1277:
1274:
1272:
1271:Triangle mesh
1269:
1267:
1264:
1263:
1259:
1255:
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1129:
1128:
1124:
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1114:
1112:
1110:
1107:
1105:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1087:Triangulation
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1061:
1058:
1056:
1054:
1051:
1049:
1046:
1044:
1042:
1039:
1037:
1035:
1034:Thomson cubic
1032:
1030:
1028:
1025:
1023:
1021:
1018:
1016:
1014:
1011:
1009:
1006:
1004:
1002:
999:
997:
995:
994:Steiner point
992:
990:
988:
985:
983:
981:
978:
976:
974:
971:
969:
966:
964:
962:
959:
957:
955:
952:
950:
948:
945:
943:
941:
938:
936:
934:
931:
929:
927:
924:
922:
920:
917:
915:
913:
910:
908:
905:
902:
900:
898:
895:
893:
891:
888:
886:
884:
881:
879:
877:
874:
872:
870:
867:
865:
863:
860:
858:
856:
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851:
849:
848:Regiomontanus
846:
844:
842:
839:
835:
833:
830:
829:
828:
826:
823:
821:
819:
818:Pons asinorum
816:
814:
812:
809:
807:
804:
802:
799:
797:
794:
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790:
787:
785:
783:
780:
778:
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773:
771:
769:
766:
764:
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757:
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750:
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745:
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621:
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614:
612:
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607:
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584:
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579:
577:
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570:
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561:
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227:
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220:
217:
215:
213:
212:Clawson point
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62:
59:
57:
55:
52:
51:
46:
44:
42:
41:love triangle
38:
34:
30:
27:This list of
19:
1408:
1344:Bell numbers
1301:
1294:
1287:
1247:Trigonometry
1163:Law of sines
1125:Trigonometry
1020:Ternary plot
548:Jacobi point
364:Fermat point
343:Exeter point
324:Euler's line
26:
1013:Tarry point
926:Simson line
782:Parry point
747:Orthocenter
705:Nagel point
658:Mittenpunkt
399:GEOS circle
1594:Categories
471:Hypotenuse
1600:Triangles
1563:Triquetra
1542:Artifacts
1448:Geography
1282:Resources
1001:Symmedian
768:Orthopole
485:Inellipse
1615:Outlines
177:Centroid
54:Triangle
47:Geometry
29:triangle
1580:Valknut
1569:Symbols
1495:Anatomy
1310:Algebra
191:Cevian
254:CPCTC
1211:Sine
1417:).
35:or
1596::
20:)
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