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

GeoGebra 3D Modeling Workshop (March 8 2024)
Odd Function Explorer
Probabilities with Two-Way Tables
Segment Addition Postulate (Mild Questions)
Basic and Compound Inequality Illustrator

Discover Resources

Trisection of an angle
Function Transformations2
Significato geometrico della derivata
Graad 9
Area Formulas for Triangles 三角形面積公式

Discover Topics

Centroid or Barycenter
Exponent
Conic Sections
Similar Triangles
Trigonometric Functions