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K1130

too complicated to be written here. Click on the link to download a text file.

X(3), X(56), X(109), X(198), X(5537), X(8679), X(34139), X(34140), X(34141), X(34142), X(34143)

vertices of these triangles :

• Thomson (points Qi)

• tangential of Thomson (points Ri)

Geometric properties :

(contributed by Peter Moses)

K1130 is a circular cubic with singular focus F = X(34144) on the line {23,1311}.

See the related K1116.