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The focal property of an ellipse
Author:
David Radcliffe
Topic:
Ellipse
GeoGebra
New Resources
Poorly Drawn Parallelograms
探究由平行線和截線所成的角
Dissections by Guillermo Bautista
Variation Theory Parallelogram Proofs
Blancmange curve (fractal)
Discover Resources
A limiting proof of a circle theorem
Positions on the Number Line by Fractions and Decimals
H Equilateral Triangle Const
Focal Point
hard hyperboloid
Discover Topics
Continuity
Arithmetic
Reflection
Prism
Root