X3452

ISOGONAL CONJUGATE OF X3451

< 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) { 999, 1125 }: Central Line L(999, 1125) { 2, 7 }: Centroid–Gergonne Line { 5, 10 }: Central Line L(5, 10) { 11, 210 }: Central Line L(11, 210) { 118, 123 }: Central Line L(118, 123) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_999 = MIDPOINT OF X(1) AND X(57) (0.5926, 0.2722) X_1125 = COMPLEMENT OF X(10) (0.5459, 0.2083) X_2 = CENTROID (0.5374, 0.2000) X_7 = GERGONNE POINT (0.5903, 0.2769) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_118 = MIDPOINT OF X(4) AND X(101) (0.4133, 0.4603) X_123 = -OF-MEDIAL-TRIANGLE (0.5401, -0.0057) X_3452 = ISOGONAL CONJUGATE OF X(3451) (0.4992, 0.1444) A B C X999 X1125 X2 X7 X5 X10 X11 X210 X118 X123 X3452 (a, b, c) = (5, 6, 7) | AB = 1

X3452 (ISOGONAL CONJUGATE OF X3451) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3452 = ISOGONAL CONJUGATE OF X_3451."""

        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_trilinear_point,
            feuerbach_point_of,
            gergonne_point_of,
            nine_point_center_of,
            promote_point_to_top,
            reflection_in_point,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03452(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3452 = ISOGONAL CONJUGATE OF X_3451 on reference triangle ABC."""
            X_999 = eval_trilinear_point(model, A, B, C, '2 - cos(A)', ID="X_999", classes=["center"])
            X_1125 = eval_trilinear_point(model, A, B, C, '(2*a+b+c)/a', ID="X_1125", classes=["center"])
            X_3452 = reflection_in_point(model, X_999, X_1125, ID="X_3452", classes=["selected", "target"], guide=False)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            central_line(model, X_2, X_7, 2, 7, incident=True)
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            central_line(model, X_5, X_10, 5, 10, incident=True)
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_11, X_210, 11, 210, incident=True)
            return promote_point_to_top(model, X_3452)


        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_3452 on the given reference triangle."""
            model = create_model('X_3452 = ISOGONAL CONJUGATE OF X_3451')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03452(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-03452.json"))
            write_center_svg(
                model_acute,
                here / "x-03452.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )