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

Row and Column Views of Systems of Linear Equations
Random Polar Curve (1)
Graph of Slopes of Tangent Lines
Regular Star Polygons
Trammel of Archimedes Art

Discover Resources

Kaleidoscope
Ethan Embi SB
Untitled
Labelle pentagon construction
Raina\Shots

Discover Topics

Stochastic Process or Random Process
Trapezoid
Equations
Set Theory
Geometry