X1268
ISOTOMIC CONJUGATE OF X1125
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)
{ 7, 12 }: Central Line L(7, 12)
{ 10, 86 }: Central Line L(10, 86)
{ 2, 594 }: Central Line L(2, 594)
{ 310, 313 }: Central Line L(310, 313)
{ 75, 1089 }: Central Line L(75, 1089)
{ 190, 1213 }: Central Line L(190, 1213)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6122, 0.5999)
X_1125 = COMPLEMENT OF X(10) (0.5459, 0.2083)
X_7 = GERGONNE POINT (0.5903, 0.2769)
X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407)
X_10 = SPIEKER CENTER (0.5204, 0.1833)
X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171)
X_2 = CENTROID (0.5374, 0.2000)
X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672)
X_310 = ISOTOMIC CONJUGATE OF X(42) (0.4762, 0.1536)
X_313 = ISOTOMIC CONJUGATE OF X(58) (0.4368, 0.1249)
X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682)
X_1089 = TRILINEAR SQUARE OF X(10) (0.4606, 0.1381)
X_190 = YFF PARABOLIC POINT (0.0748, 0.3999)
X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5294, 0.1914)
X_1268 = ISOTOMIC CONJUGATE OF X(1125) (0.5286, 0.1917)
A
B
C
X1125
X7
X12
X10
X86
X2
X594
X310
X313
X75
X1089
X190
X1213
X1268
(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)
{ 7, 12 }: Central Line L(7, 12)
{ 10, 86 }: Central Line L(10, 86)
{ 2, 594 }: Central Line L(2, 594)
{ 310, 313 }: Central Line L(310, 313)
{ 75, 1089 }: Central Line L(75, 1089)
{ 190, 1213 }: Central Line L(190, 1213)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6400, 0.4800)
X_1125 = COMPLEMENT OF X(10) (0.5600, 0.1700)
X_7 = GERGONNE POINT (0.6218, 0.2618)
X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5867, 0.2178)
X_10 = SPIEKER CENTER (0.5200, 0.1400)
X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5711, 0.1809)
X_2 = CENTROID (0.5467, 0.1600)
X_594 = ISOGONAL CONJUGATE OF X(593) (0.4915, 0.1212)
X_310 = ISOTOMIC CONJUGATE OF X(42) (0.4433, 0.1060)
X_313 = ISOTOMIC CONJUGATE OF X(58) (0.3816, 0.0755)
X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4826, 0.1226)
X_1089 = TRILINEAR SQUARE OF X(10) (0.4218, 0.0891)
X_190 = YFF PARABOLIC POINT (0.0933, 0.3200)
X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5345, 0.1495)
X_1268 = ISOTOMIC CONJUGATE OF X(1125) (0.5327, 0.1502)
A
B
C
X1125
X7
X12
X10
X86
X2
X594
X310
X313
X75
X1089
X190
X1213
X1268
(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)
{ 7, 12 }: Central Line L(7, 12)
{ 10, 86 }: Central Line L(10, 86)
{ 2, 594 }: Central Line L(2, 594)
{ 310, 313 }: Central Line L(310, 313)
{ 75, 1089 }: Central Line L(75, 1089)
{ 190, 1213 }: Central Line L(190, 1213)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6180, 0.4859)
X_1125 = COMPLEMENT OF X(10) (0.5505, 0.1720)
X_7 = GERGONNE POINT (0.6026, 0.2652)
X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5729, 0.2203)
X_10 = SPIEKER CENTER (0.5170, 0.1419)
X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5599, 0.1831)
X_2 = CENTROID (0.5393, 0.1620)
X_594 = ISOGONAL CONJUGATE OF X(593) (0.4931, 0.1231)
X_310 = ISOTOMIC CONJUGATE OF X(42) (0.4532, 0.1089)
X_313 = ISOTOMIC CONJUGATE OF X(58) (0.4007, 0.0784)
X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4859, 0.1249)
X_1089 = TRILINEAR SQUARE OF X(10) (0.4347, 0.0916)
X_190 = YFF PARABOLIC POINT (0.1322, 0.3610)
X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5291, 0.1514)
X_1268 = ISOTOMIC CONJUGATE OF X(1125) (0.5277, 0.1521)
A
B
C
X1125
X7
X12
X10
X86
X2
X594
X310
X313
X75
X1089
X190
X1213
X1268
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)
{ 7, 12 }: Central Line L(7, 12)
{ 10, 86 }: Central Line L(10, 86)
{ 2, 594 }: Central Line L(2, 594)
{ 310, 313 }: Central Line L(310, 313)
{ 75, 1089 }: Central Line L(75, 1089)
{ 190, 1213 }: Central Line L(190, 1213)
A = Vertex A (0.0000, 0.0000)
B = Vertex B (1.0000, 0.0000)
C = Vertex C (0.6331, 0.2801)
X_1125 = COMPLEMENT OF X(10) (0.5621, 0.1025)
X_7 = GERGONNE POINT (0.6288, 0.2114)
X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.6001, 0.1762)
X_10 = SPIEKER CENTER (0.5089, 0.0750)
X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5757, 0.1133)
X_2 = CENTROID (0.5444, 0.0934)
X_594 = ISOGONAL CONJUGATE OF X(593) (0.4705, 0.0589)
X_310 = ISOTOMIC CONJUGATE OF X(42) (0.3899, 0.0479)
X_313 = ISOTOMIC CONJUGATE OF X(58) (0.3112, 0.0266)
X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4506, 0.0607)
X_1089 = TRILINEAR SQUARE OF X(10) (0.3698, 0.0351)
X_190 = YFF PARABOLIC POINT (0.1548, 0.2119)
X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5287, 0.0834)
X_1268 = ISOTOMIC CONJUGATE OF X(1125) (0.5254, 0.0845)
A
B
C
X1125
X7
X12
X10
X86
X2
X594
X310
X313
X75
X1089
X190
X1213
X1268
Kimberling (6, 9, 13) | AB = 1
X1268 (ISOTOMIC CONJUGATE OF X1125 ) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\) .
Trilinears: \(1/(a^{2}f(a,b,c)) : 1/(b^{2}f(b,c,a)) : 1/(c^{2}f(c,a,b))\) , where f(a,b,c) is as in
X1125 )
Search Value (6, 9, 13): \(2.870294405041\)
▸ Incident Central Lines7 lines
{2 , 594 }, {7 , 12 }, {10 , 86 }, {75 , 1089 }, {190 , 1213 }, {310 , 313 }, {333 , 1171 }
▸ Functional Relations6 relations
Notes
Let A22 B22 C22 be Gemini triangle 22. Let A' be the perspector of conic {{A , B , C ,B22 ,C22 }}, and define B' and C' cyclically. The lines AA' , BB' , CC' concur in X1268 . (Randy Hutson , January 15, 2019)