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).

New Resources

Marion's Theorem
Right Triangle Inscribed in a Semicircle
Calculating Arc Length, Radius, and Central Angle
End Behavior of Polynomial Functions
Squaring a Rectangle (PST Version)

Discover Resources

Tessellations 3 final
การบวกจำนวนเต็ม
ДЗ 30.01 слайд 5
Constructing isosceles triangle from a point
Angles in a quadrilateral

Discover Topics

Calculus
Differential Equation
Bar Chart or Bar Graph
Conic Sections
Similar Triangles