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Ellipse - Focus and Directrix
Author:
Catherine Joyce
Topic:
Ellipse
GeoGebra
New Resources
Monkey typing Shakespeare's complete works
探究由平行線和截線所成的角
Roman Numerals Bingo
Chaotic behaviour
Open Middle Logarithm Exercises (1)
Discover Resources
Structure - 1DPoint - Level 4 - Horizontal Movement 1
kite
Dilations
Hypotenuse leg rule of congruency
Open Middle: Build a Trig Equation (4)
Discover Topics
Special Points
Hypothesis Testing
Means
Incircle or Inscribed Circle
Isosceles Triangles