circle 1 | circle 2 | Kimberling | external similitude center |
Adams' circle | Conway
circle | ![X_1](/images/equations/ExternalSimilitudeCenter/Inline27.svg) | incenter |
Adams' circle | incircle | ![X_1](/images/equations/ExternalSimilitudeCenter/Inline28.svg) | incenter |
anticomplementary
circle | Bevan circle | ![X_(516)](/images/equations/ExternalSimilitudeCenter/Inline29.svg) | isogonal conjugate of ![X_(103)](/images/equations/ExternalSimilitudeCenter/Inline30.svg) |
anticomplementary
circle | Brocard circle | ![X_(2543)](/images/equations/ExternalSimilitudeCenter/Inline31.svg) | external similitude center( anticomplementary circle, Brocard circle) |
anticomplementary
circle | circumcircle | ![X_(20)](/images/equations/ExternalSimilitudeCenter/Inline32.svg) | de Longchamps point ![L](/images/equations/ExternalSimilitudeCenter/Inline33.svg) |
anticomplementary
circle | cosine circle | ![X_(1588)](/images/equations/ExternalSimilitudeCenter/Inline34.svg) | point Castor II |
anticomplementary
circle | first Droz-Farny
circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline35.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline36.svg) |
anticomplementary
circle | first Lemoine
circle | ![X_(2547)](/images/equations/ExternalSimilitudeCenter/Inline37.svg) | external similitude center(anticomplementary
circle, first Lemoine circle) |
anticomplementary
circle | first Johnson-Yff
circle | ![X_(388)](/images/equations/ExternalSimilitudeCenter/Inline38.svg) | intersection of and ![(X_7,X_8)](/images/equations/ExternalSimilitudeCenter/Inline40.svg) |
anticomplementary
circle | Gallatly circle | ![X_(2545)](/images/equations/ExternalSimilitudeCenter/Inline41.svg) | external similitude center(anticomplementary circle, Gallatly circle) |
anticomplementary
circle | incircle | ![X_(497)](/images/equations/ExternalSimilitudeCenter/Inline42.svg) | crosspoint of the Gergonne
point
and Nagel point ![Na](/images/equations/ExternalSimilitudeCenter/Inline44.svg) |
anticomplementary
circle | Moses circle | ![X_(2549)](/images/equations/ExternalSimilitudeCenter/Inline45.svg) | external similitude center(anticomplementary circle, Moses circle) |
anticomplementary
circle | nine-point circle | ![X_2](/images/equations/ExternalSimilitudeCenter/Inline46.svg) | triangle centroid ![G](/images/equations/ExternalSimilitudeCenter/Inline47.svg) |
anticomplementary
circle | orthocentroidal
circle | ![X_(2553)](/images/equations/ExternalSimilitudeCenter/Inline48.svg) | external similitude center(anticomplementary
circle, orthocentroidal circle) |
anticomplementary
circle | polar circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline49.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline50.svg) |
anticomplementary
circle | Spieker circle | ![X_(2551)](/images/equations/ExternalSimilitudeCenter/Inline51.svg) | external similitude center(anticomplementary circle, Spieker center) |
anticomplementary
circle | Steiner circle | ![X_(20)](/images/equations/ExternalSimilitudeCenter/Inline52.svg) | de Longchamps point ![L](/images/equations/ExternalSimilitudeCenter/Inline53.svg) |
anticomplementary
circle | tangential triangle | ![X_(23)](/images/equations/ExternalSimilitudeCenter/Inline54.svg) | far-out point |
Apollonius circle | Bevan circle | ![X_(43)](/images/equations/ExternalSimilitudeCenter/Inline55.svg) | X(6)-Ceva conjugate of X(1) |
Apollonius circle | Brocard circle | ![X_(1694)](/images/equations/ExternalSimilitudeCenter/Inline56.svg) | external similitude center(Brocard circle, Apollonius circle) |
Apollonius circle | circumcircle | ![X_(386)](/images/equations/ExternalSimilitudeCenter/Inline57.svg) | inverse-in-Brocard-circle of X(58) |
Apollonius circle | cosine
circle | ![X_(1686)](/images/equations/ExternalSimilitudeCenter/Inline58.svg) | external similitude center(2nd
Lemoine circle, Apollonius circle) |
Apollonius
circle | excircles
radical circle | ![X_(2539)](/images/equations/ExternalSimilitudeCenter/Inline59.svg) | external similitude center(Apollonius
circle, excircles radical circle) |
Apollonius
circle | first Lemoine
circle | ![X_(1684)](/images/equations/ExternalSimilitudeCenter/Inline60.svg) | external similitude center(1st
Lemoine circle, Apollonius circle) |
Apollonius
circle | Gallatly circle | ![X_(2020)](/images/equations/ExternalSimilitudeCenter/Inline61.svg) | insimilicenter(Gallatly circle, Apollonius circle) |
Apollonius circle | incircle | ![X_(181)](/images/equations/ExternalSimilitudeCenter/Inline62.svg) | Apollonius
point |
Apollonius
circle | nine-point circle | ![X_(2051)](/images/equations/ExternalSimilitudeCenter/Inline63.svg) | external similitude center(nine-point circle, Apollonius circle) |
Bevan circle | Brocard circle | ![X_(1705)](/images/equations/ExternalSimilitudeCenter/Inline64.svg) | external similitude center(Bevan
circle, Brocard circle) |
Bevan
circle | circumcircle | ![X_1](/images/equations/ExternalSimilitudeCenter/Inline65.svg) | incenter |
Bevan circle | cosine
circle | ![X_(1703)](/images/equations/ExternalSimilitudeCenter/Inline66.svg) | external similitude center(Bevan
circle, 2nd Lemoine circle) |
Bevan
circle | first Lemoine
circle | ![X_(1701)](/images/equations/ExternalSimilitudeCenter/Inline67.svg) | external similitude center(Bevan
circle, 1st Lemoine circle) |
Bevan
circle | Gallatly circle | ![X_(2018)](/images/equations/ExternalSimilitudeCenter/Inline68.svg) | external similitude center(Gallatly circle, Bevan circle) |
Bevan circle | incircle | ![X_(57)](/images/equations/ExternalSimilitudeCenter/Inline69.svg) | isogonal conjugate of X(9) |
Bevan circle | Moses circle | ![X_(1572)](/images/equations/ExternalSimilitudeCenter/Inline70.svg) | external similitude center of
excentral and Moses circles |
Bevan
circle | nine-point circle | ![X_(1699)](/images/equations/ExternalSimilitudeCenter/Inline71.svg) | external similitude center(Bevan circle, nine-point circle) |
Bevan circle | Spieker circle | ![X_(1706)](/images/equations/ExternalSimilitudeCenter/Inline72.svg) | external similitude center(Bevan
circle, Spieker circle) |
Brocard
circle | circumcircle | ![X_(1341)](/images/equations/ExternalSimilitudeCenter/Inline73.svg) | external similitude center(circumcircle, Brocard circle) |
Brocard circle | cosine circle | ![X_(1668)](/images/equations/ExternalSimilitudeCenter/Inline74.svg) | insimilicenter(Brocard circle, 2nd Lemoine circle) |
Brocard circle | first Lemoine circle | ![X_(182)](/images/equations/ExternalSimilitudeCenter/Inline75.svg) | midpoint of Brocard diameter |
Brocard circle | Gallatly
circle | ![X_(2012)](/images/equations/ExternalSimilitudeCenter/Inline76.svg) | external similitude center(Gallatly
circle, Brocard circle) |
Brocard
circle | incircle | ![X_(1675)](/images/equations/ExternalSimilitudeCenter/Inline77.svg) | external similitude center(incircle, Brocard
circle) |
Brocard
circle | Moses circle | ![X_(2034)](/images/equations/ExternalSimilitudeCenter/Inline78.svg) | external similitude center(Moses circle, Brocard circle) |
Brocard circle | nine-point circle | ![X_(1349)](/images/equations/ExternalSimilitudeCenter/Inline79.svg) | external similitude center(nine-point circle, Brocard circle) |
Brocard circle | orthocentroidal circle | ![X_(2470)](/images/equations/ExternalSimilitudeCenter/Inline80.svg) | external similitude center(Brocard circle, orthocentroidal circle) |
Brocard circle | second Brocard circle | ![X_(1343)](/images/equations/ExternalSimilitudeCenter/Inline81.svg) | external similitude center(circumcircle, 1st Lemoine circle) |
Brocard circle | Spieker circle | ![X_(1679)](/images/equations/ExternalSimilitudeCenter/Inline82.svg) | external similitude center(Brocard circle, Spieker circle) |
circumcircle | cosine circle | ![X_(372)](/images/equations/ExternalSimilitudeCenter/Inline83.svg) | (X(3), X(6))-harmonic conjugate
of X(371) |
circumcircle | first Lemoine circle | ![X_(1343)](/images/equations/ExternalSimilitudeCenter/Inline84.svg) | external similitude center(circumcircle, 1st Lemoine circle) |
circumcircle | Gallatly circle | ![X_(1689)](/images/equations/ExternalSimilitudeCenter/Inline85.svg) | inverse-in-Brocard-circle of X(1687) |
circumcircle | half-Moses circle | ![X_6](/images/equations/ExternalSimilitudeCenter/Inline86.svg) | symmedian
point ![K](/images/equations/ExternalSimilitudeCenter/Inline87.svg) |
circumcircle | incircle | ![X_(56)](/images/equations/ExternalSimilitudeCenter/Inline88.svg) | external similitude center(circumcircle,
incircle) |
circumcircle | Moses
circle | ![X_(32)](/images/equations/ExternalSimilitudeCenter/Inline89.svg) | 3rd power point |
circumcircle | nine-point circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline90.svg) | orthocenter |
circumcircle | orthocentroidal circle | ![X_(1345)](/images/equations/ExternalSimilitudeCenter/Inline91.svg) | external similitude center(circumcircle, orthocentroidal circle) |
circumcircle | second Brocard circle | ![X_3](/images/equations/ExternalSimilitudeCenter/Inline92.svg) | circumcenter |
circumcircle | second Droz-Farny circle | ![X_3](/images/equations/ExternalSimilitudeCenter/Inline93.svg) | circumcenter |
circumcircle | second Johnson-Yff circle | ![X_(11)](/images/equations/ExternalSimilitudeCenter/Inline94.svg) | Feuerbach point ![F](/images/equations/ExternalSimilitudeCenter/Inline95.svg) |
circumcircle | sine-triple-angle circle | ![X_(1147)](/images/equations/ExternalSimilitudeCenter/Inline96.svg) | isogonal conjugate of X(847) |
circumcircle | Steiner
circle | ![X_(20)](/images/equations/ExternalSimilitudeCenter/Inline97.svg) | de
Longchamps point |
circumcircle | tangential circle | ![X_(22)](/images/equations/ExternalSimilitudeCenter/Inline98.svg) | Exeter point |
Conway circle | excircles radical circle | ![X_8](/images/equations/ExternalSimilitudeCenter/Inline99.svg) | Nagel point ![Na](/images/equations/ExternalSimilitudeCenter/Inline100.svg) |
Conway
circle | incircle | ![X_1](/images/equations/ExternalSimilitudeCenter/Inline101.svg) | incenter |
cosine circle | first
Lemoine circle | ![X_(1688)](/images/equations/ExternalSimilitudeCenter/Inline102.svg) | external similitude center(1st
Lemoine circle, 2nd Lemoine circle) |
cosine
circle | Gallatly circle | ![X_(1670)](/images/equations/ExternalSimilitudeCenter/Inline103.svg) | inverse-in-Brocard-circle of X(1342) |
cosine circle | incircle | ![X_(1335)](/images/equations/ExternalSimilitudeCenter/Inline104.svg) | (X(1), X(6))-harmonic conjugate
of X(1124) |
cosine
circle | Lucas circles
radical circle | ![X_3](/images/equations/ExternalSimilitudeCenter/Inline105.svg) | circumcenter ![O](/images/equations/ExternalSimilitudeCenter/Inline106.svg) |
cosine circle | Moses circle | ![X_(1505)](/images/equations/ExternalSimilitudeCenter/Inline107.svg) | external similitude center(Moses circle, 2nd Lemoine circles) |
cosine circle | nine-point circle | ![X_(486)](/images/equations/ExternalSimilitudeCenter/Inline108.svg) | inner Vecten point |
cosine circle | orthocentroidal circle | ![X_(2466)](/images/equations/ExternalSimilitudeCenter/Inline109.svg) | external similitude center(cosine
circle, orthocentroidal circle) |
cosine
circle | second Brocard
circle | ![X_(2561)](/images/equations/ExternalSimilitudeCenter/Inline110.svg) | external similitude center(cosine
circle, second Brocard circle) |
cosine
circle | Spieker circle | ![X_(1378)](/images/equations/ExternalSimilitudeCenter/Inline111.svg) | external similitude center(cosine
circle, Spieker circle) |
excircles
radical circle | incircle | ![X_(2535)](/images/equations/ExternalSimilitudeCenter/Inline112.svg) | external similitude center(excircles
radical circle, incircle) |
excircles
radical circle | nine-point
circle | ![X_(2541)](/images/equations/ExternalSimilitudeCenter/Inline113.svg) | external similitude center(excircles
radical circle, nine-point circle) |
excircles
radical circle | Spieker circle | ![X_(10)](/images/equations/ExternalSimilitudeCenter/Inline114.svg) | Spieker
center |
extangents
circle | nine-point circle | ![X_(19)](/images/equations/ExternalSimilitudeCenter/Inline115.svg) | Clawson
point |
extangents
circle | tangential circle | ![X_(55)](/images/equations/ExternalSimilitudeCenter/Inline116.svg) | internal
similitude center(circumcircle, incircle) |
first Droz-Farny circle | polar circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline117.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline118.svg) |
first Droz-Farny
circle | second Droz-Farny
circle | ![X_(30)](/images/equations/ExternalSimilitudeCenter/Inline119.svg) | Euler
infinity point |
first
Lemoine circle | Gallatly circle | ![X_(372)](/images/equations/ExternalSimilitudeCenter/Inline120.svg) | (X(3), X(6))-harmonic conjugate
of X(371) |
first
Lemoine circle | incircle | ![X_(1673)](/images/equations/ExternalSimilitudeCenter/Inline121.svg) | external similitude center(incircle, 1st Lemoine circle) |
first Lemoine circle | Moses circle | ![X_(2036)](/images/equations/ExternalSimilitudeCenter/Inline122.svg) | external similitude center(Moses circle, 1st Lemoine circle) |
first Lemoine circle | nine-point circle | ![X_(1677)](/images/equations/ExternalSimilitudeCenter/Inline123.svg) | external similitude center(first Lemoine circle, nine-point circle) |
first Lemoine circle | orthocentroidal circle | ![X_(2472)](/images/equations/ExternalSimilitudeCenter/Inline124.svg) | external similitude center(first
Lemoine circle, orthocentroidal circle) |
first Lemoine circle | second Brocard circle | ![X_(2559)](/images/equations/ExternalSimilitudeCenter/Inline125.svg) | external similitude center(first Lemoine circle, second Brocard circle) |
first Lemoine circle | Spieker circle | ![X_(1681)](/images/equations/ExternalSimilitudeCenter/Inline126.svg) | external similitude center(first Lemoine circle, Spieker circle) |
first Johnson-Yff
circle | incircle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline127.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline128.svg) |
first
Johnson-Yff circle | nine-point
circle | ![X_(56)](/images/equations/ExternalSimilitudeCenter/Inline129.svg) | external similitude center(circumcircle,
incircle) |
first
Johnson-Yff circle | second
Johnson-Yff circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline130.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline131.svg) |
Gallatly circle | half-Moses circle | ![X_(39)](/images/equations/ExternalSimilitudeCenter/Inline132.svg) | Brocard midpoint ![Omega^('')](/images/equations/ExternalSimilitudeCenter/Inline133.svg) |
Gallatly
circle | incircle | ![X_(2008)](/images/equations/ExternalSimilitudeCenter/Inline134.svg) | external similitude center(Gallatly circle, incircle) |
Gallatly circle | Moses circle | ![X_(39)](/images/equations/ExternalSimilitudeCenter/Inline135.svg) | Brocard midpoint |
Gallatly circle | nine-point circle | ![X_(2010)](/images/equations/ExternalSimilitudeCenter/Inline136.svg) | external similitude center(Gallatly
circle, nine-point circle) |
Gallatly
circle | orthocentroidal
circle | ![X_(2016)](/images/equations/ExternalSimilitudeCenter/Inline137.svg) | external similitude center(Gallatly
circle, orthocentroidal circle) |
Gallatly
circle | second Brocard
circle | ![X_(2563)](/images/equations/ExternalSimilitudeCenter/Inline138.svg) | external similitude center(Gallatly
circle, second Brocard circle) |
Gallatly
circle | Spieker circle | ![X_(2014)](/images/equations/ExternalSimilitudeCenter/Inline139.svg) | external similitude center(Gallatly
circle, Spieker circle) |
half-Moses
circle | incircle | ![X_(2275)](/images/equations/ExternalSimilitudeCenter/Inline140.svg) | -isoconjugate of ![X_(983)](/images/equations/ExternalSimilitudeCenter/Inline142.svg) |
half-Moses
circle | Moses circle | ![X_(39)](/images/equations/ExternalSimilitudeCenter/Inline143.svg) | Brocard
midpoint |
half-Moses
circle | Spieker circle | ![X_(1575)](/images/equations/ExternalSimilitudeCenter/Inline144.svg) | external similitude center(half-Moses
circle, Spieker circle) |
incircle | inner Soddy circle | ![X_(482)](/images/equations/ExternalSimilitudeCenter/Inline145.svg) | second Eppstein point |
incircle | Moses circle | ![X_(1015)](/images/equations/ExternalSimilitudeCenter/Inline146.svg) | external similitude center(Moses
circle, incircle) |
incircle | nine-point
circle | ![X_(11)](/images/equations/ExternalSimilitudeCenter/Inline147.svg) | Feuerbach
point |
incircle | orthocentroidal circle | ![X_(2464)](/images/equations/ExternalSimilitudeCenter/Inline148.svg) | external similitude center(incircle,
orthocentroidal circle) |
incircle | outer Soddy circle | ![X_(481)](/images/equations/ExternalSimilitudeCenter/Inline149.svg) | first Eppstein point |
incircle | second Brocard circle | ![X_(2565)](/images/equations/ExternalSimilitudeCenter/Inline150.svg) | external similitude center(incircle, second Brocard circle) |
incircle | second Johnson-Yff circle | ![X_4](/images/equations/ExternalSimilitudeCenter/Inline151.svg) | orthocenter ![H](/images/equations/ExternalSimilitudeCenter/Inline152.svg) |
incircle | sine-triple-angle circle | ![X_(215)](/images/equations/ExternalSimilitudeCenter/Inline153.svg) | X(1)-Ceva conjugate of X(50) |
incircle | Spieker circle | ![X_8](/images/equations/ExternalSimilitudeCenter/Inline154.svg) | Nagel point |
incircle | tangential mid-arc circle | ![X_(2089)](/images/equations/ExternalSimilitudeCenter/Inline155.svg) | third mid-arc point |
inner
Napoleon circle | outer
Napoleon circle | ![X_2](/images/equations/ExternalSimilitudeCenter/Inline156.svg) | triangle
centroid ![G](/images/equations/ExternalSimilitudeCenter/Inline157.svg) |
inner
Soddy circle | Outer Soddy
circle | ![X_7](/images/equations/ExternalSimilitudeCenter/Inline158.svg) | Gergonne
point ![Ge](/images/equations/ExternalSimilitudeCenter/Inline159.svg) |
intangents circle | nine-point circle | ![X_(1062)](/images/equations/ExternalSimilitudeCenter/Inline160.svg) | intersection of and ![(X_5,X_33)](/images/equations/ExternalSimilitudeCenter/Inline162.svg) |
Moses
circle | nine-point circle | ![X_(115)](/images/equations/ExternalSimilitudeCenter/Inline163.svg) | center of the Kiepert
hyperbola |
Moses
circle | Spieker circle | ![X_(1574)](/images/equations/ExternalSimilitudeCenter/Inline164.svg) | external similitude center(Moses
circle, Spieker circle) |
nine-point
circle | orthocentroidal
circle | ![X_(1347)](/images/equations/ExternalSimilitudeCenter/Inline165.svg) | external similitude center(nine-point
circle, orthocentroidal circle) |
nine-point
circle | second Brocard
circle | ![X_(2567)](/images/equations/ExternalSimilitudeCenter/Inline166.svg) | external similitude center(nine-point
circle, second Brocard circle) |
nine-point
circle | sine-triple-angle
circle | ![X_(110)](/images/equations/ExternalSimilitudeCenter/Inline167.svg) | focus of the Kiepert
parabola |
nine-point
circle | Spieker circle | ![X_(1329)](/images/equations/ExternalSimilitudeCenter/Inline168.svg) | complementary conjugate of X(1) |
nine-point circle | Steiner circle | ![X_5](/images/equations/ExternalSimilitudeCenter/Inline169.svg) | nine-point center |
nine-point circle | tangential circle | ![X_3](/images/equations/ExternalSimilitudeCenter/Inline170.svg) | circumcenter |
orthocentroidal circle | second Brocard circle | ![X_(2571)](/images/equations/ExternalSimilitudeCenter/Inline171.svg) | external similitude center(orthocentroidal
circle, second Brocard circle) |
orthocentroidal
circle | Spieker circle | ![X_(2468)](/images/equations/ExternalSimilitudeCenter/Inline172.svg) | external similitude center(orthocentroidal circle, second
Brocard circle) |
second
Brocard circle | second
Droz-Farny circle | ![X_3](/images/equations/ExternalSimilitudeCenter/Inline173.svg) | circumcenter |
second Brocard circle | Spieker circle | ![X_(2569)](/images/equations/ExternalSimilitudeCenter/Inline174.svg) | external similitude center(second
Brocard circle, Spieker circle) |
sine-triple-angle
circle | tangential circle | ![X_(1993)](/images/equations/ExternalSimilitudeCenter/Inline175.svg) | orthocorrespondent
of ![X_3](/images/equations/ExternalSimilitudeCenter/Inline176.svg) |