A nine-point circle is a circle that exists for any given triangle.
Nine Point Circle displays a triangle and it's nine-point circle.
You can drag any of the triangle's three points and observe how it effects the nine-point circle.
- Do everything the Windows version does.
See also Nine Point Cirlce for Windows
- Left-mouse-down to drag the 3 triangle points.
- Left-mouse-down in the triangle to drag all 3 points.
- Right-mouse-down anywhere and drag horizontal to rotate around the circumcenter.