Exploring the Euclidean Geometry of the Triangle

Author:Roy Wright

This is a visual glossary of various objects associated with any triangle in Euclidean geometry. (The notation used here is meant to match Section 5.6 of Venema's Foundations of Geometry.)

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Equilateral Triangle Cross Sections
Weighing Scales (g)
Use a matrix with its elements as functions
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Square Cross Sections

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Lemniskate
Solid Cross Sections
Tangent Segments
Number Puzzle