Dynamic Geometry with Adobe
Flash - Table of Content
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Langley's Problem
Adventitious angles. 20° isosceles triangle with animation.
Langley's Problem: HTML5 version' |
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First Ajima-Malfatti Point.
Step-by-step animation. Adobe Flash.
First Ajima-Malfatti Point: HTML5 version. |
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Second Ajima-Malfatti Point.
Interactive illustration. Adobe Flash.
Second Ajima-Malfatti Point: HTML5 version. |
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Apollonius' Problem for Three Circles.
Interactive illustration.
Adobe Flash.
Apollonius' Problem for Three Circles: HTML5 version. |

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Equal Incircles Theorem. Interactive.
Adobe Flash.
Equal Incircles Theorem: HTML5 version. |
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Eyeball Theorem:
Animated Angle to Geometry Study. Adobe Flash.
Eyeball Theorem: HTML5 version |
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Lemoine Theorem.
Interactive illustration. Adobe Flash.
Lemoine Theorem: HTML5 version |
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Butterfly Theorem
Proof.
Step by step illustration
Butterfly Theorem: HTML5 version.
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Miquel's Pentagram Theorem
Interactive proof with animation and key theorems.
Adobe Flash.
Miquel's Pentagram Theorem: HTML5 version. |
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Morley's Triangle & Center: with interactive animation and
manipulation.
Adobe Flash. |
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Nagel Point
Theorem. Proof.
Triangle and excircles. Animation.
Adobe Flash. |
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Nine-Point Center, Nine-Point Circle, Euler Line (English
version).
Circumcenter, Centroid, Orthocenter.
Adobe Flash.
Interactive illustration.
HTML5 Animation for iPad
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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
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Seven Circles Theorem. Animation.
Adobe Flash. |

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Semiperimeter and incircle |

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Semiperimeter and excircles of a triangle |

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Semiperimeter, incircle and excircles of a triangle |

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Gergonne Point Theorem |
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Ceva's Theorem.
Concurrency.
Interactive proof with animation. Key concept:
Menelaus Theorem. |
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Menelaus' Theorem.
Interactive proof with animation and key concepts..
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Johnson's Theorem |

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Simson Line.
Animation, Proof.
Adobe Flash. |

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Angle between two
Simson Lines |

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Sangaku Problem |

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The
Bevan Point |

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Clifford's Circle Chain
Theorems |

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Kurschak's Tile and Theorem |