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GeoGebra
Focus-Directrix Definition of an Ellipse
Author:
Norm Prokup
Topic:
Ellipse
Related Topics
Hyberbola
Parabola
Discover Resources
Lesson 4.1
Surface Area Formula Demonstration
GeoGebra Assignment #2
Quadrilateral - Can You Make It?
Self Discovery of the Sine Law
Discover Topics
Symmetry
Bar Chart or Bar Graph
Reflection or Reflexion
Pie Chart or Circle Chart
Quadratic Equations
