Quadrilateral B: Construction and Angle Properties

This GeoGebra example dynamically constructs Quadrilateral B and investigates its internal angle relationships and side properties. It demonstrates quadrilateral geometry, angle sum properties, and dynamic measurement. Construction uses GeoGebra commands Segment, Line, Point, Polygon, Intersect, and Angle, with key points A, B, C, D and angles α, β, γ, δ enabling interactive exploration. Suitable for middle to high school geometry education, it helps students visualize how quadrilateral angles and sides change dynamically, reinforcing polygon construction theorems and angle relationships.