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Cones, Conic Sections, Foci, Directrix
Author:
Steve Phelps
Topic:
Circle
,
Cone
,
Conic Sections
,
Ellipse
,
Hyperbola
,
Parabola
GeoGebra
New Resources
Quadrilateral Properties 2
Hilbert's Cube
Sphere from Circles
Parabola: Quick Anatomy Exploration
Thin Slice Pythagorean Discovery
Discover Resources
Height using Reflection from a Mirror
The Feuerbach Theorem and the Feuerbach Point
Trigonometry of Right Triangles
Suspect inequalities solutions New York
Parallel line through point not on the line
Discover Topics
Complex Numbers
Coordinates
Congruence
Means
Random Variables