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

Nové materiály

Rotating Custom Polygons Around an Axis
繪畫垂直線
Midpoint Theorem (V2): Integer Solutions
Graphing Basic and Compound Inequalities
Segment Addition Postulate (Mild Questions)

Objevujte materiály

Circle 1
definicija15.2.3
Rectangle with given area
namennnn
Wave Pulse Reflection (Free & Fixed Ends)

Objevte témata

Logaritmická funkce
Konstrukce
Tečna
Trigonometrie
Souměrnost