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

Select an object for a time to start a command. Light
Average Value of a Function
bewijs stelling van Pythagoras
GGB is Awesome!
Visualizing the Pythagorean Identity with Sine and Cosine

Descubrir recursos

Parabola BBall
input the mean
Question 1
Exact Values on the Unit Circle (radians)-Lehman
ask6

Descubre temas

Fractales
Triángulos Rectángulos
Distribución binomial
Triángulos Escalenos
Características estadísticas