X3759

X3662com[T(-bc, b²)]

X3759 = complement of X17373
< 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) { 6, 75 }: Central Line L(6, 75) { 44, 192 }: Central Line L(44, 192) { 2, 319 }: Central Line L(2, 319) { 145, 344 }: Central Line L(145, 344) { 193, 320 }: Central Line L(193, 320) { 1, 872 }: Central Line L(1, 872) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) X_2 = CENTROID (0.5374, 0.2000) X_319 = ISOTOMIC CONJUGATE OF X(79) (0.4549, 0.1161) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_344 = ISOTOMIC CONJUGATE OF X(277) (0.6218, 0.2693) X_193 = -CEVA CONJUGATE OF X(2) (0.7878, 0.4690) X_320 = ISOTOMIC CONJUGATE OF X(80) (-2.6735, -3.5993) X_1 = INCENTER (0.5714, 0.2333) X_872 = INTERSECTION OF LINES X(37)X(42) AND X(43)X(75) (0.6029, 0.2656) X_3759 = com[T(-bc, b2)] (0.6959, 0.3610) A B C X6 X75 X44 X192 X2 X319 X145 X344 X193 X320 X1 X872 X3759 (a, b, c) = (5, 6, 7) | AB = 1

X3759 (X3662com[T(-bc, b²)]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3759 = X_3662com[T(-bc, b²)]."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03759(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3759 = X_3662com[T(-bc, b²)] on reference triangle ABC."""
            X_3759 = eval_barycentric_point(model, A, B, C, '-2*a**(2) + b*c', ID="X_3759", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            central_line(model, X_6, X_75, 6, 75, incident=True)
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_192 = eval_trilinear_point(model, A, B, C, 'b*c*(c*a + a*b - b*c)', ID="X_192", classes=["center", "incident"])
            central_line(model, X_44, X_192, 44, 192, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_319 = eval_trilinear_point(model, A, B, C, '(1 + 2*cos(A))/a**(2)', ID="X_319", classes=["center", "incident"])
            central_line(model, X_2, X_319, 2, 319, incident=True)
            return promote_point_to_top(model, X_3759)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_3759 on the given reference triangle."""
            model = create_model('X_3759 = X_3662com[T(-bc, b²)]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03759(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-03759.json"))
            write_center_svg(
                model_acute,
                here / "x-03759.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )