Radius and Circumference of a Circle
Loading the math board and drawing, please wait…
This example demonstrates a circle with an adjustable center and radius. By adjusting the radius, the circumference of the circle can be observed. Key mathematical concepts include the properties of a circle and the circumference formula. GeoGebra commands used include Point and Circle. Suitable for middle school and above students to learn basic properties of circles.
GeoGebra Commands & Parameters
Point(xAxis) → BCircle(A, B) → c
AI Drawing Prompt Reference
Draw a circle with a movable center point B on the x-axis. Adjust the position of point B to change the size of the circle and observe the circumference. First, create a movable point B on the x-axis, then draw a circle c with point B as the center.
The prompt above was compiled from the original drawing commands and is for reference only.