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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
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Making New Year's resolutions for 2026
Select an object for a time to start a command. Light
Billard V5.2 and V6
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Discover Resources
coordinate pictures
Julia Cheesman
Investigating the Cosine Curve
M1 L24
#42 Triangle, Midpoints, Circumcircle, Incircle
Discover Topics
Median Value
Incircle or Inscribed Circle
Plane Figures or Shapes
Ratios
Tree Diagrams