X162

CEVAPOINT OF X108 AND X109

X162 is the cevapoint of X108 and X109.
< 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) { 29, 58 }: Central Line L(29, 58) { 28, 88 }: Central Line L(28, 88) { 31, 92 }: Central Line L(31, 92) { 47, 158 }: Central Line L(47, 158) { 100, 112 }: Central Line L(100, 112) { 107, 109 }: Central Line L(107, 109) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_29 = CEVAPOINT OF INCENTER AND ORTHOCENTER (0.5903, 0.3384) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_88 = ISOGONAL CONJUGATE OF X(44) (1.0000, 0.0000) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_92 = CEVAPOINT OF INCENTER AND CLAWSON POINT (0.5949, 0.3639) X_47 = -BETH CONJUGATE OF X(34) (0.7279, 0.4389) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_162 = CEVAPOINT OF X(108) AND X(109) (0.4897, 0.6018) A B C X108 X109 X29 X58 X28 X88 X31 X92 X47 X158 X100 X112 X107 X162 (a, b, c) = (5, 6, 7) | AB = 1

X162 (CEVAPOINT OF X108 AND X109) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_162 = CEVAPOINT OF X_108 AND X_109."""

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


        def construct_x_00162(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_162 = CEVAPOINT OF X_108 AND X_109 on reference triangle ABC."""
            X_162 = eval_trilinear_point(model, A, B, C, '1/(sin(2*B) - sin(2*C))', ID="X_162", classes=["selected", "target"])
            X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            central_line(model, X_29, X_58, 29, 58, incident=True)
            X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center", "incident"])
            X_88 = eval_trilinear_point(model, A, B, C, '1/(b + c - 2*a)', ID="X_88", classes=["center", "incident"])
            central_line(model, X_28, X_88, 28, 88, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_92 = eval_trilinear_point(model, A, B, C, 'csc(2*A)', ID="X_92", classes=["center", "incident"])
            central_line(model, X_31, X_92, 31, 92, incident=True)
            return promote_point_to_top(model, X_162)


        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_162 on the given reference triangle."""
            model = create_model('X_162 = CEVAPOINT OF X_108 AND X_109')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00162(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-00162.json"))
            write_center_svg(
                model_acute,
                here / "x-00162.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )