X2016
EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE)
X2016 is the exsimilicenter(gallatly circle, orthocentroidal circle).
5, 6, 7
3, 4, 5
Kepler
Kimberling
< A B C >: Reference Triangle △ABC
[ A B ]: Sideline AB (Base c = 1)
[ B C ]: Sideline BC (Side a)
[ C A ]: Sideline CA (Side b)
{ 39, 381 }: Central Line L(39, 381)
{ 1344, 1690 }: Central Line L(1344, 1690)
{ 1345, 1689 }: Central Line L(1345, 1689)
{ 1346, 2009 }: Central Line L(1346, 2009)
{ 1347, 2010 }: Central Line L(1347, 2010)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6122, 0.5999)
X_39 = BROCARD MIDPOINT (0.5778, 0.2305)
X_381 = MIDPOINT OF X(2) AND X(4) (0.5748, 0.2979)
X_1344 = INSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5621, 0.2645)
X_1690 = INVERSE-IN-BROCARD-CIRCLE OF X(1688) (0.5529, 0.1894)
X_1345 = EXSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5942, 0.3485)
X_1689 = INVERSE-IN-BROCARD-CIRCLE OF X(1687) (0.6471, 0.3451)
X_1346 = INSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5694, 0.2836)
X_2009 = INSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.5673, 0.2394)
X_1347 = EXSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5879, 0.3320)
X_2010 = EXSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.9341, -0.0718)
X_2016 = EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5725, 0.3498)
A
B
C
X39
X381
X1344
X1690
X1345
X1689
X1346
X2009
X1347
X2010
X2016
(a, b, c) = (5, 6, 7) | AB = 1
< A B C >: Reference Triangle △ABC
[ A B ]: Sideline AB (Base c = 1)
[ B C ]: Sideline BC (Side a)
[ C A ]: Sideline CA (Side b)
{ 39, 381 }: Central Line L(39, 381)
{ 1344, 1690 }: Central Line L(1344, 1690)
{ 1345, 1689 }: Central Line L(1345, 1689)
{ 1346, 2009 }: Central Line L(1346, 2009)
{ 1347, 2010 }: Central Line L(1347, 2010)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6400, 0.4800)
X_39 = BROCARD MIDPOINT (0.6138, 0.1951)
X_381 = MIDPOINT OF X(2) AND X(4) (0.5933, 0.3200)
X_1344 = INSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5700, 0.2400)
X_1690 = INVERSE-IN-BROCARD-CIRCLE OF X(1688) (0.5794, 0.1361)
X_1345 = EXSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.6400, 0.4800)
X_1689 = INVERSE-IN-BROCARD-CIRCLE OF X(1687) (0.7006, 0.3439)
X_1346 = INSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5840, 0.2880)
X_2009 = INSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.5935, 0.2159)
X_1347 = EXSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.6400, 0.4800)
X_2010 = EXSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.8954, -0.0940)
X_2016 = EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5248, 0.7390)
A
B
C
X39
X381
X1344
X1690
X1345
X1689
X1346
X2009
X1347
X2010
X2016
(a, b, c) = (3, 4, 5) | AB = 1
< A B C >: Reference Triangle △ABC
[ A B ]: Sideline AB (Base c = 1)
[ B C ]: Sideline BC (Side a)
[ C A ]: Sideline CA (Side b)
{ 39, 381 }: Central Line L(39, 381)
{ 1344, 1690 }: Central Line L(1344, 1690)
{ 1345, 1689 }: Central Line L(1345, 1689)
{ 1346, 2009 }: Central Line L(1346, 2009)
{ 1347, 2010 }: Central Line L(1347, 2010)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6180, 0.4859)
X_39 = BROCARD MIDPOINT (0.5955, 0.1965)
X_381 = MIDPOINT OF X(2) AND X(4) (0.5787, 0.3239)
X_1344 = INSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5590, 0.2429)
X_1690 = INVERSE-IN-BROCARD-CIRCLE OF X(1688) (0.5665, 0.1368)
X_1345 = EXSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.6180, 0.4859)
X_1689 = INVERSE-IN-BROCARD-CIRCLE OF X(1687) (0.6696, 0.3491)
X_1346 = INSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5708, 0.2915)
X_2009 = INSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.5785, 0.2182)
X_1347 = EXSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.6180, 0.4859)
X_2010 = EXSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.8486, -0.1254)
X_2016 = EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5247, 0.7334)
A
B
C
X39
X381
X1344
X1690
X1345
X1689
X1346
X2009
X1347
X2010
X2016
Kepler (1, √φ, φ) | AB = 1
< A B C >: Reference Triangle △ABC
[ A B ]: Sideline AB (Base c = 1)
[ B C ]: Sideline BC (Side a)
[ C A ]: Sideline CA (Side b)
{ 39, 381 }: Central Line L(39, 381)
{ 1344, 1690 }: Central Line L(1344, 1690)
{ 1345, 1689 }: Central Line L(1345, 1689)
{ 1346, 2009 }: Central Line L(1346, 2009)
{ 1347, 2010 }: Central Line L(1347, 2010)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6331, 0.2801)
X_39 = BROCARD MIDPOINT (0.6418, 0.1220)
X_381 = MIDPOINT OF X(2) AND X(4) (0.5888, 0.4614)
X_1344 = INSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5538, 0.1715)
X_1690 = INVERSE-IN-BROCARD-CIRCLE OF X(1688) (0.6079, 0.0272)
X_1345 = EXSIMILICENTER(CIRCUMCIRCLE, ORTHOCENTROIDAL CIRCLE) (0.7534, 1.8271)
X_1689 = INVERSE-IN-BROCARD-CIRCLE OF X(1687) (0.7068, 0.3038)
X_1346 = INSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.5762, 0.3574)
X_2009 = INSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.6128, 0.1820)
X_1347 = EXSIMILICENTER(NINE-POINT CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.4925, -0.3369)
X_2010 = EXSIMILICENTER(GALLATLY CIRCLE, NINE-POINT CIRCLE) (0.7691, -0.1407)
X_2016 = EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE) (0.6915, -0.1957)
A
B
C
X39
X381
X1344
X1690
X1345
X1689
X1346
X2009
X1347
X2010
X2016
Kimberling (6, 9, 13) | AB = 1
X2016 (EXSIMILICENTER(GALLATLY CIRCLE, ORTHOCENTROIDAL CIRCLE) ) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\) .
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\) , where
\(f(a,b,c) = \cos A + 4 \cos B \cos C - J \sin(A + \omega )\) ,
\(J = |OH|/R\) ; see
X1113
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(4.455885184609\)
▸ Incident Central Lines5 lines