Quadrilateral Surprise!

Auteur :Tim Brzezinski

How would you put this property (dynamically illustrated below) into words? (Applet works best if quadrilateral is kept convex.) How can you formally prove what this applet informally illustrates?

Quick (Silent) Demo

Nouvelles ressources

Limaçons
Graph of Slopes of Tangent Lines
Random Polar Curve (1)
Untitled
Row and Column Views of Systems of Linear Equations

Découvrir des ressources

MVC Project - 2D: Javin and Grace
Yellow Submarine Coordinate Practice
Kolmion avaus: nappi
ความสัมพันธ์ของสามเหลี่ยมแบบด้าน-มุม-ด้าน

Découvrir des Thèmes

Variables Aléatoires
Nombres Réels
Termes
Régression Linéaire
Corrélation