Cut-the-Knot-Action 13!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. LARGE points are moveable at any time. How can you formally prove what this applet informally illustrates?

New Resources

Step-By-Step Rationalization
Maclaurin and Taylor Polynomial
Toroidal Spiral
רישום חופשי
Triangle Flexer

Discover Resources

buggy implementation?
Geoguessr slope example
funktionsuebersicht_cos
Project 1
₈Polyhedra with extreme distribution of equivalent vertices

Discover Topics

Similar Triangles
Vectors 3D (Three-Dimensional)
Vectors 2D (Two-Dimensional)
Volume
Cuboid