Point - Circle
How to Use this Applet
The Graph Area
- Drag any highlighted location on the circle ( • ) to move that location along the circle.
- Drag the center of the circle ( • ) to re-position the circle.
- <SHIFT>+drag the center of the circle ( • ) to re-position the circle horizontally or vertically.
- Drag the other highlighted location ( • ) to adjust/change the tangent(s) (outside the circle) or the chord (inside the circle).
- <SHIFT>+drag the other highlighted location ( • ) to adjust/change the tangent(s) (outside the circle) or the chord (inside the circle). The determining location can be moved horizontally of vertically.
- Drag any non-highlighted location on the circle to change the radius of the circle.
Other
- Use the "RESET" button to restore the applet to the initial state.
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