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

Nowe zasoby

apec
Dividing a 2-digit number by a 1-digit number (1)
Dividing a 3-digit number by a 1-digit number (1)
Dividing a 3-digit number by a 1-digit number (2)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

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Geometria fraktalna
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