Proposition 4.

Author:Alla Stolyarevska

Proposition 4. The ratio of the distance between point M and the focus to the distance between point M and the directrix is equal to the eccentricity of the ellipse (a>b).

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רישום חופשי
bewijs stelling van Pythagoras
Conchoids of Nicomedes
Proving Triangles Congruent (2): Multi-Step Transformations
Constructing the Perpendicular Line Through a Point on the Line

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Item Afbeelding
Module 6
Converse of Perpendicular Bisector Theorem
circumConic_Eucl2DirPerp
Two x intercepts

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Circumcircle or Circumscribed Circle
Hyperbola
Symmetry
Secant Line or Secant
Circle