Dynamic Demonstration of Circle Circumference and Arc Length

2020-06-06 08:11
This GeoGebra example dynamically demonstrates the relationship between circle circumference, arc length, radius r, and central angle θ using construction commands including Segment, Rotate, CircleArc, and Circle. Users can adjust radius and angle parameters via sliders to observe real-time changes in arc length, providing an intuitive understanding of the circumference formula C=2πr and the arc l