Quadrilateral Surprise!

Autor: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

Nuevos recursos

Torus
The 3D Space
Translation of the Graph of a Function
Mosaic
Nikmati Keunggulan Di Bandar Judi Terpercaya

Descubrir recursos

iteration_triangle
lune assignment
Concurrency of the Perpendicular Bisectors
Carpenter's Problem - Task
HF1b-app
Campsite is on Fire!

Descubre temas

Moda
Funciones Logarítmicas
Funciones cuadráticas
Cálculo integral
Multiplicación