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GeoGebra
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Author:
Keith Harrison
New Resources
Quadrilateral Fractal Time-Waster
Open Middle: Pythagorean Theorem (2)
Plane & Sphere Intersections
Open Middle: Diagonal of a Rectangular Prism
Folding a Paper Airplane
Discover Resources
Fractions: Skills & Concepts
area trapezoid
square
Harmonic motion and circular motion
Work and Energy
Discover Topics
Complex Numbers
Distributions
Median Line
Scalene Triangles
Line Segment