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Author:Stephen Arnold

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Slope Illustrator (2)
Isosceles Right Triangle
Congruent Sides & Angles in △s: Exploration
Pythagorean Theorem: Extension Exercises
Squaring a Rectangle (PST Version)

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Rubik-end
"Solving" for x
Schlagballwurf
defining a triangle with a triangle
Cable car

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LCM and GCD
Angles
Algebra
Fractal Geometry
Fractions

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