G.71 construct a parallelogram equal to a triangle — Code

I.42

Construct, in a given angle, a parallelogram equal in area to a given triangle.
D A B C E F G
"""Programmatic construction for Book I, I.42 (I.42).

        To construct, in a given rectilineal angle, a parallelogram equal to a given triangle.
        """

        from __future__ import annotations

        from geometor.model import Model


        def construct_g1() -> Model:
            """Construct the figure for 0353.g2 (I.42) using geometor.model."""
            model = Model("I.42")

            # 1. Points
            A = model.set_point(88, -37, classes=["given"], ID="A")
            B = model.set_point(67, -123, classes=["given"], ID="B")
            C = model.set_point(195, -123, classes=["given"], ID="C")
            E = model.set_point(131, -123, ID="E")
            F = model.set_point(220, -37, ID="F")
            G = model.set_point(284, -37, ID="G")
            D = model.set_point(49.5, -90, classes=["given"], ID="D")
            D1 = model.set_point(49.5, -37, ID="D1")
            D2 = model.set_point(14, -54, ID="D2")

            # 3. Segments
            model.set_segment(D, D1)
            model.set_segment(D, D2)
            model.set_segment(A, G)
            model.set_segment(A, F)
            model.set_segment(F, G)
            model.set_segment(B, C)
            model.set_segment(B, E)
            model.set_segment(E, C)
            model.set_segment(A, B)
            model.set_segment(A, C)
            model.set_segment(A, E)
            model.set_segment(E, F)
            model.set_segment(C, G)

            # 4. Collinear Sections
            model.set_section([A, F, G])
            model.set_section([B, E, C])

            # 5. Polygons (Triangles, Parallelograms, Trapezia, Squares)
            model.set_polygon([A, B, C])
            model.set_polygon([A, B, E])
            model.set_polygon([A, E, C])
            model.set_polygon([F, E, C, G])

            # 6. Angles (Wedges)
            model.set_wedge(D, D1, D1, D2)
            model.set_wedge(E, C, C, F)

            return model


        if __name__ == "__main__":
            construct_g1()