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X(1), X(1134), X(1135), X(1136), X(1137)

excenters

vertices A2, B2, C2 of Morley (second) triangle (green)

vertices A2*, B2*, C2* of adjunct Morley (second) triangle, isogonal conjugates of A2, B2, C2.

The cubic K030 is analogous to K029 Morley (first) cubic. It is an isogonal pK obtained when the trisectors of A, B, C are replaced by those of A+2π, B+2π, C+2π.

See also table 9 : Morley & Co.