Kite with Right Angle Construction

① This example demonstrates how to construct a kite (a quadrilateral with two pairs of adjacent equal sides) that contains a right angle, and explores its geometric properties. ② Core mathematical concepts include the definition of a kite, right-angle properties, similar triangles, and relationships between sides and angles. ③ Construction details: Using GeoGebra commands such as Segment, OrthogonalLine, Circle, Intersect, Polygon, and Point, the construction involves points A, B, C, D, E, F; segments f, g, h, i, j, k, l; circles c, c_1, c_2; polygons poly1 and poly2; and perpendicular lines to create the right angle. The right angle is formed via orthogonal lines, and circles with intersections determine the kite's vertices. ④ Suitable for middle and high school geometry classes, this example helps students visualize kite properties, right-angle identification, and similar triangle applications, and serves as an interactive exploration tool for dynamic geometry.