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

Nuevos recursos

Special Solid Trace
Untitled
Interactive Unit Circle
Dividing a 3-digit number by a 1-digit number (1)
רישום חופשי

Descubrir recursos

Hausübung 2012-02-06
Step 5
การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
อัตราส่วน
Untitled

Descubre temas

Elipse
Área
Trigonometría
Segmento Mediana
Perímetro