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Author:
Allen Olson
GeoGebra
New Resources
Thin Slicing Geometry Proofs 2
Thin Slice Pythagorean Discovery
Open Middle: Parabola Equation (1)
Ellipse inscribed in irregular convex quadrilateral
GeoGebra snow
Discover Resources
Checkered Star
Teacher's Construction 8
the foldy thingy
black box
Substitution Fractal
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Vectors
Arithmetic Operations
Rotation
Translation
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