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Orthoptic (i.e. directrix) of a parabola - using LocusEquation
Author:
Thierry Dana-Picard
Topic:
Parabola
GeoGebra
Joint work with Zoltan Kovacs
New Resources
Pendulum Snake
Construcing a 60° Angle and Properties of 30°-60°-90° Triangles
Constructing the Copy of an Angle + Angles Activities
Subdivision of a polynomial into triangles.
Midpoint & Endpoint Illustrator (V2)
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Armspan to Height
Simple Harmonic Motion
Forum_f=2&t=38031_B_RndPointNamesInList
Geometric Power Series
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Combinatorics
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Linear Functions
Intersection
Surface