Andrew Dales – Resources – GeoGebra

Pell’s Equation
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Andrew Dales
Laser Beam
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Andrew Dales
Intersections - plane and cub
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Andrew Dales
The nine-point circle
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Andrew Dales
Alternate Segment Theorem
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Andrew Dales
Quadratic Function
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Andrew Dales
Quadrilateral Tessellations
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Andrew Dales
Energy Ellipse
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Andrew Dales