Propositions 2-3.

Author:: Alla Stolyarevska

Proposition 2. The ellipse (a>b) with foci F1 and F2, and the major semiaxis a is the locus of points for which the sum of distances to the F1 and F2 is equal to 2*a.

New Resources

Shade a spheric triangle with "surface".
Droste effect
Lorenz Attractor: Multiple particles
Slipper
Art and Rotational Symmetry

Discover Resources

Diff Eq
colorcercle
Teorema Pitagora Reciproc.
School
similarity

Discover Topics

Geometric Distribution
Vectors
Multiplication
Exponent
Mode