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Author:Steve Phelps, John Ulbright

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Thales' Intercept Theorem
Proving Triangles Similar: Multistep Transformations
Two Triangle Theorem
How to Draw a Cube in 2D
Line Through Two Points and Slope

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Triangle Family
Graphing Lines from Teacher Instructions
Oxyz 65.1
Circle Segments 3 - Secant Tangent
Rings and Strings

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Geometry
Symmetry
Prism
Quadrilaterals
Perimeter

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