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

Nieuw didactisch materiaal

seo tool
z`]]
Involute of the Circle
Sine in Cartesian and Polar Coordinates
apec

Ontdek materiaal

COMBINATORIA1.4
RationalfunctionVerticalstretchandsrhink
ausprobieren
Golf Hole #1 (Final)
setTagXML04
Law of sines
Triangle/Quad Project
Electrostatic Force Calculation due to three charge

Ontdek onderwerpen

Logaritme
Cilinder
Zwaartelijn
Verschil en helling
Vlieger en deltoïde