X3775

X594com[INVERSE(nT(bc, c²))]

X3775 = reflection of X1100 in X1125
< 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) { 1100, 1125 }: Central Line L(1100, 1125) { 10, 141 }: Central Line L(10, 141) { 1, 319 }: Central Line L(1, 319) { 11, 1211 }: Central Line L(11, 1211) { 594, 726 }: Central Line L(594, 726) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1100 = COMPLEMENT OF X(319) (0.5787, 0.2419) X_1125 = COMPLEMENT OF X(10) (0.5459, 0.2083) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_1 = INCENTER (0.5714, 0.2333) X_319 = ISOTOMIC CONJUGATE OF X(79) (0.4549, 0.1161) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_1211 = ISOGONAL CONJUGATE OF X(1169) (0.5137, 0.1744) X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672) X_726 = EVEN (- 2, -1) INFINITY POINT (1.0187, 0.5358) X_3775 = com[INVERSE(nT(bc, c2))] (0.5132, 0.1747) A B C X1100 X1125 X10 X141 X1 X319 X11 X1211 X594 X726 X3775 (a, b, c) = (5, 6, 7) | AB = 1

X3775 (X594com[INVERSE(nT(bc, c²))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3775 = X_594com[INVERSE(nT(bc, c²))]."""

        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,
            feuerbach_point_of,
            incenter_of,
            promote_point_to_top,
            reflection_in_point,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03775(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3775 = X_594com[INVERSE(nT(bc, c²))] on reference triangle ABC."""
            X_1100 = eval_trilinear_point(model, A, B, C, '2*a + b + c', ID="X_1100", classes=["center"])
            X_1125 = eval_trilinear_point(model, A, B, C, '(2*a+b+c)/a', ID="X_1125", classes=["center"])
            X_3775 = reflection_in_point(model, X_1100, X_1125, ID="X_3775", classes=["selected", "target"], guide=False)
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            central_line(model, X_10, X_141, 10, 141, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", 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_1, X_319, 1, 319, incident=True)
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_1211 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c)*(b**(2) + c**(2) + a*b + a*c))', ID="X_1211", classes=["center", "incident"])
            central_line(model, X_11, X_1211, 11, 1211, incident=True)
            return promote_point_to_top(model, X_3775)


        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_3775 on the given reference triangle."""
            model = create_model('X_3775 = X_594com[INVERSE(nT(bc, c²))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03775(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-03775.json"))
            write_center_svg(
                model_acute,
                here / "x-03775.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )