X-plorations of rigid motions and planar movements
by Frater Elijah
Reflections in parallel lines related to translations
Translations related to parallel line reflections
Rotation & Reflection Relations
Orthocenter & Centroid Dilation
Incenter/circumcenter/vertex/int-ext point dilation
Triangle similarity
Basic Rectangle Dilation
Law of Cosine Proof
X-ploration addition rule #1
Proof of Addition Laws
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