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X(4), X(80), X(150), X(265), X(952)

K275 is the non-isogonal circum-strophoid with node X(80), the isogonal conjugate of X(36). It is the isogonal conjugate of K274.

It singular focus is the orthocenter H. The real asymptote is the line X(3)-X(8). The focal tangent is the line X(4)-X(151).

It is a member of the class CL038.