X3549

EULER LINE INTERCEPT OF LINE X68X_184

< A B C >: Reference Triangle △ABC < M_a M_b M_c >: Medial Triangle △M_a M_b M_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 3541 }: Euler Line { 2, 3 }: Euler Line { 68, 184 }: Central Line L(68, 184) { 193, 195 }: Central Line L(193, 195) { 155, 343 }: Central Line L(155, 343) { 206, 1209 }: Central Line L(206, 1209) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) M_a = Midpoint M_a of BC (0.8061, 0.2999) M_b = Midpoint M_b of CA (0.3061, 0.2999) M_c = Midpoint M_c of AB (0.5000, 0.0000) X_2 = CENTROID (0.5374, 0.2000) X_3541 = EULER LINE INTERCEPT OF LINE X(33)X(499) (0.5885, 0.3336) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_193 = -CEVA CONJUGATE OF X(2) (0.7878, 0.4690) X_195 = -CEVA CONJUGATE OF X(3) (0.6761, 0.3331) X_155 = EIGENCENTER OF ORTHIC TRIANGLE (1.1658, 0.5033) X_343 = ISOTOMIC CONJUGATE OF X(275) (0.4345, 0.0893) X_206 = -CEVA CONJUGATE OF X(32) (0.5105, -0.2297) X_1209 = ISOGONAL CONJUGATE OF X(1166) (0.5121, 0.1912) X_3549 = EULER LINE INTERCEPT OF LINE X(68)X(184) (0.5119, 0.1331) A B C Ma Mb Mc X2 X3541 X3 X68 X184 X193 X195 X155 X343 X206 X1209 X3549 (a, b, c) = (5, 6, 7) | AB = 1

X3549 (EULER LINE INTERCEPT OF LINE X68X_184) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184."""

        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,
            circumcenter_of,
            complement,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03549(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184 on reference triangle ABC."""
            X_3541 = eval_trilinear_point(model, A, B, C, '(sec(A) + 2*sin(B)*sin(C))', ID="X_3541", classes=["center"])
            X_3549 = complement(model, A, B, C, X_3541, ID="X_3549", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_68 = eval_trilinear_point(model, A, B, C, 'cos(A)*sec(2*A)', ID="X_68", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_68, X_184, 68, 184, incident=True)
            X_193 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cot(B) + cot(C) - cot(A))', ID="X_193", classes=["center", "incident"])
            X_195 = eval_trilinear_point(model, A, B, C, 'a*(a**(8) + b**(8) + c**(8) - 4*a**(6)*(b**(2) + c**(2)) + a**(4)*(6*b**(4) + 6*c**(4) + 5*b**(2)*c**(2)) - a**(2)*(4*b**(6) + 4*c**(6) - b**(4)*c**(2) - b**(2)*c**(4)) - 2*b**(2)*c**(2)*(b**(4) + c**(4) - b**(2)*c**(2)))', ID="X_195", classes=["center", "incident"])
            central_line(model, X_193, X_195, 193, 195, incident=True)
            return promote_point_to_top(model, X_3549)


        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_3549 on the given reference triangle."""
            model = create_model('X_3549 = EULER LINE INTERCEPT OF LINE X_68X_184')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03549(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-03549.json"))
            write_center_svg(
                model_acute,
                here / "x-03549.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )