Category:Triangle geometry

triangle geometry

geometrical properties of a triangle

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Instance of

mathematical theory

Subclass of

planimetrics

Part of

Partially coincident with

trigonometry

Authority file
Q1257470
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See also categories: Pythagorean theorem and Trigonometry.

For just so triangles see Category:Triangles

Subcategories

This category has the following 39 subcategories, out of 39 total.

A

Animations of triangle geometry‎ (1 C, 3 F)
Triangle area‎ (51 F)

C

Central line (geometry)‎ (7 F)
Triangle's circles‎ (15 C, 48 F)
Congruent triangles‎ (1 C, 32 F)

D

Delaunay triangulation‎ (1 C, 37 F)

E

Euler line‎ (23 F)
Exterior angles of a triangle‎ (5 F)

G

Gauss line‎ (6 F)

H

Height (triangle)‎ (1 C, 68 F)

I

Isogonal Conjugates‎ (15 F)
Isotomic Conjugates‎ (3 F)

K

Kiepert's hyperbola‎ (17 F)
Kobon triangles‎ (10 F)

L

Langley's Adventitious Angles‎ (10 F)

M

Mass point geometry‎ (9 F)
Median (geometry)‎ (43 F)

O

Orthic triangle‎ (13 F)

P

Pedal element‎ (3 C, 1 F)
Platonic solids with triangular faces‎ (3 C, 1 F)
Platonic solids with triangular vertex figure‎ (3 C)

R

Reuleaux triangles‎ (5 C, 56 F)

S

Sierpinski triangles‎ (12 C, 1 P, 134 F)
Similar triangles‎ (2 C, 39 F)
Solution of triangles‎ (19 F)
Special points in a triangle‎ (7 C, 50 F)
Spherical triangles‎ (2 C, 87 F)

T

📚

Barycentric coordinates (triangle with red vertices)‎ (12 F)
Triangle geometry (PNGs with big margin)‎ (14 F)
Triangle geometry (red aux lines, white circular vertices)‎ (9 F)
Triangle geometry (set 01)‎ (46 F)
Triangle geometry (set by Lfahlberg)‎ (10 F)
Triangle geometry (set ru)‎ (34 F)
Triangle geometry (set zh)‎ (13 F)

Pages in category "Triangle geometry"

This category contains only the following page.

Triangle geometry

Media in category "Triangle geometry"

The following 200 files are in this category, out of 1,020 total.

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"Example of Seredzicki triangle".jpg 4,032 × 3,016; 4.52 MB
"Golden Tinted" Triangle.png 320 × 320; 5 KB
01 Dreieck umschließt Fünfeck.svg 552 × 722; 40 KB
01 Platons gleichseitiges Dreieck.svg 305 × 298; 5 KB
1geodtc.jpg 281 × 282; 14 KB
2019年5月5日三角形幾何問題.png 408 × 234; 3 KB
2D-simplex.svg 96 × 137; 9 KB
2hennmenseki1.gif 690 × 149; 3 KB
2hennmenseki2.gif 415 × 98; 2 KB
2hennmenseki5.gif 611 × 143; 2 KB
3 picture.png 320 × 349; 5 KB
3punktsmodell.svg 266 × 182; 2 KB
4 picture.png 320 × 349; 5 KB
4Fold Root Figure 3.jpg 316 × 129; 33 KB
4Fold Root Figure 3m.gif 896 × 300; 13 KB
4Fold Root Figure 4.jpg 222 × 152; 31 KB
4Fold Root Figure 4m.gif 536 × 417; 8 KB
4Fold Root Figure 5.jpg 187 × 100; 19 KB
4Fold Root Figure 5m.gif 471 × 267; 3 KB
4punktsmodell.svg 358 × 199; 7 KB
60 degree construction 2.svg 900 × 900; 3 KB
A History of Mathematics (1893) - 74.png 1,206 × 591; 10 KB
A Second Definition Of Isogonal Conjugate.png 737 × 533; 40 KB
A treatise of algebra Fleuron T152310-9.png 827 × 659; 30 KB
Aa garfield pythag.gif 300 × 300; 2 KB
Aa garfield pythag.svg 473 × 328; 6 KB
AAS.gif 400 × 260; 2 KB
ABK-definice2.png 427 × 339; 10 KB
Acute Triangle A.svg 701 × 562; 12 KB
Acute Triangle B.svg 697 × 563; 12 KB
Acute triangle(bangla).png 244 × 133; 3 KB
AdamsCircle.svg 1,148 × 661; 42 KB
Ailles rectangle.png 820 × 537; 28 KB
Allgemeines Dreieck.png 3,000 × 1,785; 181 KB
Altitude of a right triangle.svg 305 × 417; 2 KB
AMvectorPocoRuido.png 564 × 211; 4 KB
Angle-side-angle.PNG 235 × 209; 4 KB
Angles du triangle de Gergonne.JPG 660 × 529; 43 KB
Angles of triangle add up to 180 degrees.png 145 × 110; 3 KB
AnglesTrianglesAltures 820x333.png 820 × 333; 82 KB
AngoliTriangolo180.png 649 × 450; 33 KB
Animation of Proof that Triangle Angles Sum to 180.gif 1,000 × 424; 100 KB
Apollonius point.svg 701 × 745; 37 KB
Apollonius Theorem Illustration.svg 510 × 409; 51 KB
Archimedes Trammel Diagram.png 729 × 656; 26 KB
Areal coordinates.png 857 × 576; 18 KB
Aufbau Dreieck.jpg 2,312 × 945; 516 KB
AussenwinkelAmDreieck.png 376 × 209; 7 KB
Aussenwinkelsatz.JPG 663 × 564; 24 KB
Automedian triangle.svg 470 × 312; 2 KB
Axe orthique.png 443 × 345; 35 KB
Barrow inequality.svg 519 × 356; 6 KB
Barycentric 2.svg 796 × 477; 1 KB
Barycentric coordinates 1.png 600 × 470; 22 KB
Basic triangle.svg 800 × 800; 225 bytes
Beispielaufgabe Flächeninhalt.png 2,999 × 1,329; 277 KB
Beispielaufgabe.jpg 3,114 × 2,351; 2.64 MB
Beliebiges Dreieck cen.png 1,250 × 1,650; 34 KB
Bisector3.svg 113 × 130; 6 KB
Bisector7.svg 172 × 168; 7 KB
Bisectrices.png 410 × 295; 6 KB
BisectriusCevianes 385x350.png 385 × 350; 35 KB
BisectriusTriangle 350x353.png 350 × 353; 39 KB
BissectorIncircle.svg 277 × 231; 12 KB
BissectorIncircleGergonneAngles.svg 278 × 154; 26 KB
BissectorIncircleGergonneOrthogonals.svg 278 × 154; 28 KB
Bissectrice division harmonique.png 502 × 192; 2 KB
Bissectrices et cercle inscrit.JPG 455 × 277; 24 KB
Bissectricestelling.PNG 417 × 356; 6 KB
Brevet 2.png 398 × 271; 7 KB
BrianchonPonceletTheorem.svg 1,348 × 784; 44 KB
Brocard 1.png 409 × 256; 5 KB
Brocard Circle.svg 800 × 800; 5 KB
Brocard inellipse.png 875 × 656; 29 KB
Brocard point.svg 637 × 784; 4 KB
Brocard triangle.svg 1,094 × 687; 10 KB
BrocardPoints.svg 697 × 437; 30 KB
Bronze ratio "tinted" triangle.png 320 × 320; 5 KB
Calabi triangle.svg 400 × 266; 60 KB
Carnot teorem ispat.png 595 × 379; 51 KB
Carnot theorem proof.png 864 × 377; 87 KB
Cartesian2polar.svg 231 × 116; 29 KB
Central square theory - pythagorean triples of Plato's family - Teia.jpg 683 × 673; 109 KB
Central square theory - pythagorean triples of Pythagoras' family - Teia.jpg 1,157 × 1,347; 301 KB
Centro de Massa e Baricentro de um Triângulo.png 699 × 630; 53 KB
Centroid (G).png 708 × 360; 17 KB
Centroid G.png 723 × 451; 18 KB
Cercle inscrit.JPG 450 × 256; 19 KB
Ceva.gif 101 × 144; 994 bytes
Ceva1.png 400 × 275; 5 KB
CevianTriangle.svg 1,337 × 700; 20 KB
CevianTriangleRigbyThm1.svg 1,337 × 642; 43 KB
CevianTriangleRigbyThm2.svg 1,068 × 642; 34 KB
Circumcenter cartesian step1.jpg 236 × 198; 7 KB
Circumcenter cartesian step2.jpg 236 × 198; 14 KB
Circumcenter Construction.svg 468 × 352; 39 KB
Circumcenter of a triangle.png 767 × 464; 8 KB
Circumcenter-a2.jpg 272 × 200; 13 KB
Circumcenter-b3.jpg 272 × 218; 22 KB
Circumcenter-c2.jpg 312 × 204; 12 KB
CircumcenterWithInconic.png 875 × 656; 23 KB
CircumCevianTriangle.png 829 × 814; 66 KB
Circumcircle Drawing.svg 683 × 314; 45 KB
CircumCircleOFTriangleABC.png 1,199 × 1,166; 45 KB
Circumellipse.svg 363 × 253; 7 KB
CircumscribedCircleAndAltitudesAndQuarterCircle TomoyukiMogi.gif 1,920 × 1,080; 95 KB
CircunelipseSteiner.png 3,256 × 2,056; 299 KB
CLASIFICACIÓN DE LOS TRIÁNGULOS.png 1,422 × 436; 41 KB
Clausewitz - Théorie de la grande guerre, II - schéma p. 247.svg 395 × 157; 7 KB
CleavanceCenter ru.svg 320 × 187; 57 KB
CleavanceCenter uk.svg 320 × 187; 57 KB
CleavanceCenter-nolang.svg 320 × 187; 50 KB
ComplementPointOcagneConstruction.svg 1,318 × 784; 31 KB
Complete graph example.png 394 × 121; 6 KB
Configuration of the triangle - identity.jpg 200 × 143; 35 KB
Congruence triangle.svg 480 × 350; 23 KB
Congruent isoscelizers point.svg 321 × 204; 49 KB
CongruentTriangles.png 316 × 201; 41 KB
ConnellyAssets.svg 1,318 × 784; 57 KB
ConruentTrianglesSAS.jpg 960 × 720; 55 KB
Conservation des surfaces.svg 389 × 312; 16 KB
ConstruccionInelipseSteiner.png 2,842 × 2,478; 341 KB
ConstructieIsogonaleVerwant.PNG 357 × 272; 6 KB
Construction for congruent isoscelizers point.svg 321 × 204; 43 KB
Construction of a golden ratio.svg 150 × 84; 10 KB
Convenzione nomenclatura elementi triangolo.jpg 426 × 251; 12 KB
Conway circle and incircle.svg 444 × 436; 14 KB
Cool answer to noa.jpeg 288 × 226; 8 KB
Coordonate triliniare.jpg 580 × 435; 20 KB
Correspondencia de triángulos.svg 703 × 175; 1 KB
Cos30.svg 129 × 125; 5 KB
Cosenos por potencia de un punto.svg 575 × 450; 47 KB
Counterexample "Kongruenzsatz Ssw".svg 800 × 600; 1 KB
Cuadratura del rectángulo.svg 256 × 181; 31 KB
Cubics.png 907 × 717; 96 KB
Curtate cyclogon generated by an equilateral triangle.gif 834 × 201; 2.66 MB
Cyclic quadrilateral - pascal points.png 1,255 × 1,764; 131 KB
DarbouxCubic.svg 1,133 × 821; 63 KB
Dart 0.svg 200 × 150; 4 KB
Dart 1.svg 200 × 150; 5 KB
Definition of terms in each part of isosceles triangle japanese.svg 160 × 200; 13 KB
DemosSin.svg 175 × 140; 808 bytes
DemosSin2.svg 180 × 230; 684 bytes
Desargues-affin.svg 254 × 302; 34 KB
Desigualdad del triángulo.svg 450 × 670; 78 KB
Desigualtat del triangle.svg 450 × 670; 31 KB
Diagram of proof of congruence condition of right triangle.svg 150 × 180; 16 KB
Difetto angolare.jpg 400 × 297; 8 KB
Dimensional Proof Pythagoras.gif 991 × 502; 13 KB
Divvert.png 545 × 577; 15 KB
Dokaz Talesove teoreme.png 386 × 225; 17 KB
Double triangle(small).svg 29 × 30; 381 bytes
Downscaled-80-80-20 triangle problem JCP better quality.png 200 × 431; 21 KB
Dreieck allgemein.png 268 × 207; 4 KB
Dreieck Gleichseitig.png 3,000 × 1,785; 186 KB
Dreieck mit Höhen.png 234 × 180; 4 KB
Dreieck mit Seitenhalbierende.png 273 × 188; 5 KB
Dreieck mit Winkelhalbierende.png 315 × 212; 9 KB
Dreieck-hoehen-1.png 1,000 × 707; 82 KB
Dreieck-hoehen-2.png 1,000 × 707; 87 KB
Dreieck-hoehen-4.png 1,520 × 1,241; 355 KB
Dreieck-mit-inkreis.svg 289 × 275; 931 bytes
Dreieck.gif 344 × 181; 5 KB
Dreieck.png 3,507 × 2,480; 34 KB
Dreiteilung einer Strecke.svg 960 × 910; 2 KB
Driehoeke.png 381 × 451; 25 KB
Driehoeke2.png 378 × 422; 26 KB
Droite newton 2.svg 662 × 411; 28 KB
Droite newton.svg 662 × 411; 27 KB
Droites de Saad.png 1,516 × 916; 157 KB
Dubbelverhouding.PNG 353 × 313; 6 KB
EB1911 - Geometry Fig. 69.jpg 209 × 150; 10 KB
EB1911 - Geometry Fig. 7, 8.jpg 500 × 212; 26 KB
EB1911 - Geometry Fig. 70.jpg 230 × 158; 11 KB
EB1911 - Geometry Fig. 71.jpg 216 × 122; 8 KB
EB1911 - Geometry Fig. 73.jpg 211 × 136; 7 KB
EB1911 - Geometry Prop. 15.jpg 269 × 167; 12 KB
EB1911 Vision - Geometrical Representation of the Relations of Colours.jpg 614 × 382; 83 KB
Einthoven Dreieck.JPG 512 × 384; 7 KB
Einthoven dreiecke.png 660 × 440; 46 KB
Elements of Euclid page 009 figure 02.svg 153 × 91; 1 KB
Elements of Euclid page 012 figure 01.svg 72 × 91; 1 KB
Elements of Euclid page 015 figure 02.svg 112 × 73; 1,019 bytes
Eliminování nepřesnosti matematicého kyvadla.png 286 × 320; 4 KB
EllipseOfParallelIntercepts.png 1,162 × 1,088; 54 KB
Eqiuv6.PNG 251 × 156; 8 KB
Equilateral triangle with side 2.svg 598 × 498; 5 KB
Equilateral triangles with corresponding sides superimposed on a right triangle.png 591 × 584; 9 KB
Equilateral with side 2.svg 598 × 498; 6 KB
Erdos inequality.png 406 × 242; 8 KB
Erdos inequality.svg 622 × 571; 6 KB
Erdos Mordell Proof.PNG 260 × 212; 4 KB
Erdos Mordell Wolstenholme.png 303 × 212; 14 KB
Erdos-Mordell.PNG 307 × 286; 5 KB
Euclid triangle inequality.PNG 535 × 417; 47 KB
Euclid triangle inequality.svg 535 × 417; 11 KB
Euler gergonne soddy triangle.svg 2,633 × 1,533; 49 KB
Euler line of a right triangle.svg 360 × 480; 7 KB
EulerHexagrammePascalV2.svg 1,148 × 661; 38 KB
EulerRelationsInTriangle.svg 1,318 × 720; 34 KB

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