Interactive proof with animation

The lines joining the vertices of a triangle ABC to the tangent points D, E, and F of the inscribed circle are concurrent at point G called the Gergonne point."

Continue reading at:

gogeometry.com/gergonne.htm

## Thursday, December 11, 2008

### Gergonne Point Theorem. Concurrency.

Labels:
Ceva's theorem,
concurrent,
Gergonne,
incircle,
tangency point,
tangent

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