X-plorations of rigid motions and planar movements

by Cormayn

 

Basic reflection idea

 

Reflections in parallel lines related to translations

 

Translations related to parallel line reflections

 

Rotation & Reflection Relations

 

Orthocenter & Centroid Dilation

 

Incenter/circumcenter/vertex/interior-exterior point dilation

 

Triangle similarity

 

Basic Rectangle Dilation

 

Law of Cosine Proof

 

X-ploration addition rule #1

 

Proof of Addition Laws

 

 

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