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

Nouvelles ressources

အခြေခံ data အခေါ်အဝေါ်များ
Set Operations (2 Sets)
Dividing a 2-digit number by a 1-digit number (2)
Variation Theory Illustration: Point-Slope Form
Colouring of Venn Diagram

Découvrir des ressources

Fraction Division1:　a ÷ b (Partitive)
Situasi 1
Week 12 Project
Untitled
pyramid

Découvrir des Thèmes

Fonctions Logarithmiques
Somme de Riemann
Continuité
Triangles Scalènes
Corrélation