Unit 9: Kite Geometry Construction Demo

① This example demonstrates the step‑by‑step construction of a kite quadrilateral and the visualization of its geometric properties. ② Core mathematical concepts include quadrilateral classification, perpendicular diagonals, angle bisectors, orthocenter, median lines, and ratio relationships. ③ Construction highlights: Segment for sides, Point for vertices, OrthogonalLine for perpendiculars, Circle for auxiliary intersections, Intersect to obtain intersection points, Angle to label angles; objects comprise vertices A, B, C, D, E, F and angle markers α, β, γ, δ, ε, ζ, η. ④ Suitable for high‑school geometry instruction, geometric construction practice, and mathematical modeling demonstrations.