Connecting the Diameter and Circumference of a Circle
Chaneg the diameter of the circle by moving the centre point. Move the slider to investigate the connection between the circumference and diameter.
Connecting the Diameter and Circumference of a Circle
Sections of Rectangular Prisms (Cuboids)
Drag the blue points to see the different sections of the rectangular prism (cuboid).
Anthony Or. GeoGebra Institute of Hong Kong