Animated view of reflex angles

This example provides an animated visualization of reflex angles, allowing users to see how angles greater than 180° are constructed and measured dynamically. The core mathematical concepts include angle classification, conversion between degrees and radians, and the relationship with interior angles of polygons. The construction uses GeoGebra commands such as Circle, Point, Rotate, Angle, and Segment, with objects like a, B, c, C, α, A, β, b, d, acute, and text1, controlled by a slider for animation. It is suitable for middle and high school mathematics teachers and students, especially for geometry lessons and deeper exploration of angle concepts.