HTML5 and Dynamic Geometry  Table of Content




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

First AjimaMalfatti Point: HTML5 animation.
Stepbystep animation. 

Second AjimaMalfatti Point: HTML5 animation.
Interactive illustration. 

Apollonius' Problem for Three Circles: HTML5 animation.
Interactive illustration. 

Equal Incircles Theorem: HTML5 animation.
StepbyStep Illustration. 

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

Lemoine Theorem: HTML5 animation 

Butterfly Theorem: HTML5 animation.


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

Morley's Trisector Theorem: HTML5 animation. 

NinePoint Center, NinePoint Circle, Euler Line: HTML5 Animation for iPad. Circumcenter, Centroid, Orthocenter.


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


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

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 