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Parabola using focus and directrix
Author:
Dan Lemay
Topic:
Parabola
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Prism Drawn in 1-Point Perspective
Reflection Across 2 Parallel Lines
Circle Passing Through 3 Points
bewijs stelling van Pythagoras
Shells
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Finding the gradient function on a tablet device
Broken Parallelogram - basic coordinates activity
Hagel's lily-Updated
Graphing Functions Example 1
ficha 32
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Equations
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