Dynamic Geometry with Adobe
Flash  Table of Content




Langley's Problem
Adventitious angles. 20° isosceles triangle with animation.
Langley's Problem: HTML5 version' 

First AjimaMalfatti Point.
Stepbystep animation. Adobe Flash.
First AjimaMalfatti Point: HTML5 version. 

Second AjimaMalfatti Point.
Interactive illustration. Adobe Flash.
Second AjimaMalfatti Point: HTML5 version. 

Apollonius' Problem for Three Circles.
Interactive illustration.
Adobe Flash.
Apollonius' Problem for Three Circles: HTML5 version. 

Equal Incircles Theorem. Interactive.
Adobe Flash.
Equal Incircles Theorem: HTML5 version. 

Eyeball Theorem:
Animated Angle to Geometry Study. Adobe Flash.
Eyeball Theorem: HTML5 version 

Lemoine Theorem.
Interactive illustration. Adobe Flash.
Lemoine Theorem: HTML5 version 

Butterfly Theorem
Proof.
Step by step illustration
Butterfly Theorem: HTML5 version.


Miquel's Pentagram Theorem
Interactive proof with animation and key theorems.
Adobe Flash.
Miquel's Pentagram Theorem: HTML5 version. 

Morley's Triangle & Center: with interactive animation and
manipulation.
Adobe Flash. 

Nagel Point
Theorem. Proof.
Triangle and excircles. Animation.
Adobe Flash. 

NinePoint Center, NinePoint Circle, Euler Line (English
version).
Circumcenter, Centroid, Orthocenter.
Adobe Flash.
Interactive illustration.
HTML5 Animation for iPad


Euler and his beautiful and
extraordinary formula that links the 5 fundamental constants in
Mathematics, namely, e, i, Pi , 1 and 0, together!
Adobe Flash Animation
HTML5 Animation for iPad and Nexus


Seven Circles Theorem. Animation.
Adobe Flash. 

Semiperimeter and incircle 

Semiperimeter and excircles of a triangle 

Semiperimeter, incircle and excircles of a triangle 

Gergonne Point Theorem 

Ceva's Theorem.
Concurrency.
Interactive proof with animation. Key concept:
Menelaus Theorem. 

Menelaus' Theorem.
Interactive proof with animation and key concepts..


Johnson's Theorem 

Simson Line.
Animation, Proof.
Adobe Flash. 

Angle between two
Simson Lines 

Sangaku Problem 

The
Bevan Point 

Clifford's Circle Chain
Theorems 

Kurschak's Tile and Theorem 