Quadrilateral Surprise!

Autore: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

Nuove risorse

רישום חופשי
apec
Isosceles Triangle Cross Sections
Tanzanian Ngoma - Model 3
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

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Parallelogram Properties
Second Challenge Lailynn Dunaway
MEDIANS OF TRIANGLES

Scopri gli argomenti

Rette tangenti
Rombo
Poligoni
Percentuali
Aritmetica