X625

MIDPOINT OF X623 AND X624

X625 is the midpoint of X623 and X624.
< 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) { 623, 624 }: Central Line L(623, 624) { 5, 141 }: Central Line L(5, 141) { 2, 187 }: Central Line L(2, 187) { 115, 325 }: Central Line L(115, 325) { 30, 620 }: Central Line L(30, 620) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_623 = COMPLEMENT OF X(15) (0.5302, 0.2060) X_624 = COMPLEMENT OF X(16) (-0.1165, -0.8620) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_2 = CENTROID (0.5374, 0.2000) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_620 = MIDPOINT OF X(618) AND X(619) (0.4308, 0.2580) X_625 = MIDPOINT OF X(623) AND X(624) (0.2068, -0.3280) A B C X623 X624 X5 X141 X2 X187 X115 X325 X30 X620 X625 (a, b, c) = (5, 6, 7) | AB = 1

X625 (MIDPOINT OF X623 AND X624) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_625 = MIDPOINT OF X_623 AND X_624."""

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


        def construct_x_00625(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_625 = MIDPOINT OF X_623 AND X_624 on reference triangle ABC."""
            X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center"])
            X_625 = complement(model, A, B, C, X_187, ID="X_625", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", 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_5, X_141, 5, 141, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_2, X_187, 2, 187, incident=True)
            X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
            X_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
            central_line(model, X_115, X_325, 115, 325, incident=True)
            return promote_point_to_top(model, X_625)


        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_625 on the given reference triangle."""
            model = create_model('X_625 = MIDPOINT OF X_623 AND X_624')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00625(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-00625.json"))
            write_center_svg(
                model_acute,
                here / "x-00625.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )