Cut-the-Knot-Action 13!

Auteur :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?

Nouvelles ressources

Midpoint Theorem (V2): Integer Solutions
Perpendicular Lines: Quick Exploration
Squaring a Rectangle (PST Version)
Congruent Sides & Angles in △s: Exploration
Linear Combination of Vectors

Découvrir des ressources

Triangle Inequality Exploration (with Inequality)
Heptadecagon Construction
GM3-06-P1-Q2 Plot the Rotation about Origin
Nomograms
Unit Circle Exploration

Découvrir des Thèmes

Pourcentages
Fonctions Trigonométriques
Fonctions Exponentielles
Dérivée
Cosinus