Online Geometry: Gergonne Points, Theorems and Problems  Table of
Content




Gergonne Point Theorem. Concurrency.
Interactive proof with animation.
HTML5 Animation for Tablets (iPad, Nexus)
Adobe Flash Animation
Key concept: Ceva's Theorem. 

Typography of Gergonne Point. 

Geometry Problem
1024.
Contact, Gergonne Triangle, Point on an arc of Incircle, Perpendicular, Distances. 

Geometry Problem
1023.
Triangle, Contact, Gergonne, Product of three distances. 

Geometry Problem 821.
Adams Circle. 

Geometry Problem 689.
Triangle, Three Excircles, Tangency points, Tangent lines, Concurrent Lines, Mind Map. 

Geometry Problem 687.
Triangle, Three Excircles, Tangency points, Concurrent Lines. 

Geometry Problem 681: Gergonne Point.
Triangle, Incircle, Tangency points, Concurrent lines, Semiperimeter, Ceva theorem. 

Geometry Problem 682: Gergonne External Point.
Triangle, Excircle, Tangency points, Concurrent lines, Semiperimeter, Ceva theorem. 

Semiperimeter and excircles of a triangle.


Semiperimeter and incircle of a triangle. 

Semiperimeter, incircle and excircles of a triangle.
