Inscribed Angle Theorems: Take 3!

① This interactive GeoGebra example demonstrates the Inscribed Angle Theorem, showing that an inscribed angle is half the measure of its intercepted arc's central angle, with dynamic dragging to explore relationships. ② Core math concepts include inscribed angles, central angles, arcs, and the invariant relationship between them. ③ Construction uses Circle command to create circle c, Point for center O and points A, B, C, D on the circle, CircleArc to define arcs, and angle objects (a, d, e) to display measures dynamically, enabling interactive discovery. ④ Suitable for middle school geometry classes or high school review, ideal for guided inquiry, classroom demonstration, or student self-exploration of geometric theorems.