Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra

Quadrilateral Surprise!

ForfatterTim 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

Nye Materialer

Opdag Ressourcer

Udforsk emner